The Pro’s choice for over 50...

100% forged andmachined in the USA

The Pro’s choice for over 50 years!

3www.venol ia .com

All VENOLIA Pistons are constructed from tried and proven 2618 T61 or 4032 T62 alloys. A billet is heated to 800° F and forged

using a 3000 ton high speed mechanical forge press to produce a fine grain structure in the aluminum which yields the absolute

strongest blank possible. Whether you are making over 1000 horsepower per cylinder, running ultra-high RPM, or just need the

strongest, best designed piston for your street machine, the only name you need to know is VENOLIA.

While VENOLIA has a strong history in piston design, we incorporate the latest technology including CAD CAM systems to

develop new forgings for ever changing head configurations and the lightweight technology demanded by today's racers. These

systems are linked to the latest CNC equipment to provide ultra-precise machining in all operations, including accurately

machined ring grooves for proper clearances. The use of a full skirt design increases bore stability and eliminates the problem

of skirt or ring collapse under high cylinder pressures or extreme RPM. On the street or at the track, VENOLIA Pistons are the

pro’s choice.

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Every VENOLIA Piston is custom made utilizingthe best materials and the latest in precisionmachinery. With applications for automotive,marine and motorcycle, we ensure that eachand every VENOLIA Piston will meet or exceed your expectations.

AcuraAlfa RomeoAMCAudiAustin HealyBMWBuickChevyChryslerDodgeFerrariFiatFord

GMHondaHudsonInfinitiIsuzuJaguarLadaLexusLotusMaseratiMazdaMercedesMitsubishi

NissanOldsmobileOpelPontiacPorscheRenaultSaabSaturnSubaruToyotaVolkswagenVolvo

Ford 429 / 460

Rotax

Chrysler 354 / 392

From raw billet to completed piston

Mold CAD Raw billet Forged billet Race ready

We will custom manufacture pistons to meetyour required needs and specifications.

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Cam Milled Side ReliefsThe VENOLIA special profile is designed to remove excess weight without sacrificingreliability. It is one of the most critical operations in piston manufacturing. Themilling cutter follows the contours of the master and works in much the same way as a cam grinder. Note: Cam milled reliefs are standard on some types of pistons.

Nitrous Oxide When ordering pistons for use with nitrous oxide, please make note on the order form or inform your VENOLIA representative. Pleasespecify the approximate amount of horsepower you plan on adding with the nitrous. Due to extreme demands on piston integrity by theincreased cylinder pressure and temperature, VENOLIA will use a slightly different design criteria to insure maximum piston durabilityunder these conditions.Bore SizeThe skirts on VENOLIA pistons are ground to fit the bore size. When ordering pistons, specify the exact bore size on the engine block.When boring the cylinders oversize, it is advisable to use standard overbore sizes. The standard overbore sizes are .020˝, .030˝, .040˝and .060˝.Valve ClearanceThe lift of the cam does not determine the amount of clearance required in the valve pocket, the amount of overlap does.Give us the valve lift at overlap at T.D.C. and plus and minus degrees from T.D.C.

Power SlotsPlug reliefs and power slots are essential for maximum performance in certain applications. In engine types where the dome of the piston blocks the flame front-travel or makes contact with the plug, reliefs are necessary. Tests have indicated that power can be increased significantly by putting in a large relief to facilitate proper flame travel.

Snap LocksTruarc’s and Spirolox’s double snap rings are recommendedfor all racing applications where pin buttons are not desirable.

Pin ButtonsVENOLIA pin buttons provide positive pin retention in pistons. Inreplacing pin locks, buttons are used to support the oil rings whenthe oil ring must be in the pinhole on engines with large strokes.

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*Optional Machining

M 1001M 1002M 1003

M 1005

M 1006

M 1006A

M1000 Pin FitM1001 Internal skirt millingM1001A Oil squirt notchM1002 Internal head millingM1002A Mill pin boss widthM1003 Plunge pin boss (Int./Exh.)M1003A Machine bottom pin bossM1003B Chamfer pin bossM1004 Angle pin oilers

M1004A Bottom pin oilers (4) M1005 Plunge valve reliefsM1006 Vertical Gas ports (11 holes)M1006A Lateral gas portsM1007 Hardtuf® coating (Nitro)M1007A Skirt coatingM1007B Thermal barrier crownM1008 Piston rework/shop time per

hour/min. (1) hr.

M1009 Pin shorteningM1010 Offset pin holeM1011 Contact reduction groovesM1011A Accumulator GrooveM1200 Max weight removal combo (3-items)M1500 Dome mapping/Trace profile. Set up fee(Not required with job card on file).

*Plunge Valve ReliefsVENOLIA has created special tooling to faithfully duplicate the underside of valves inthe piston valve relief. The pocket matches the shape of the valve head. Note: Particular care should be taken when ordering tuliped valves as many enginesare produced with a variety of valve head shapes. Furthermore, tuliped valve reliefscan affect flow in the chamber.

*Angle Pin OilersThe oil pick-up hole is located in the oil ring land and is large enough to allowmore than adequate flow. The openings connect with the pinhole allowing for fullpin lubrication. The oiler system is not recommended on some applications (inquire before ordering).

*Maximum Weight RemovalMaximum weight removal utilizes every weight removing operation that is available.These processes provide the lightest piston for specialized use and are recommended especially for super stock and modified drag racing applications.

*Lateral Gas Ports Gas ports allow cylinder pressure to pass directly behind the top ring to seal ring. This is required with minimum side clearance.

*Vertical Gas Ports Gas ports allow cylinder pressure to pass directly behind the top ringand aid sealing ability. Cylinder pressure no longer flows past ringsides thus preventing ring flutter and loss of compression.

M 1004

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Small Block Ford 302Yates C-3

Small Block ChevroletBrodix-12

Blaine Sneva N-351 Ford Blaine Sneva N-351 Ford Rodney Argo 351 Ford-YatesRodney Argo 351 Ford-Yates

VENOLIA makes pistons for a wide variety of marine applications including marathon, offshore, circle, ski and drag. Our full

skirt pistons have a proven superiority in boat engines where radical temperature changes occur. VENOLIA Pistons provide

endurance in the marine environment and hold their shape with no cylindrical wall distortion.

VENOLIA has successfully produced and track tested some of the most reliable oval track pistons available. Our special lightweight

forgings offer maximum strength with minimum weight and are designed to resist skirt distortion and maintain proper ring seal.

VENOLIA oval track pistons are available with specialized optional machine processes including special endurance pin oilers, oil

evacuation holes, proper ring configurations, locations and accurate dome configurations.

Photo courtesy of: Cobra Power, N. Miami FloridaPhoto courtesy of: Cobra Power, N. Miami Florida

Small Block Ford 351Yates C-3

Chevy 454 / 502

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350 Chevrolet 23˚ AFR 454 Chevrolet Brodix / Dart 350 Chevrolet Lite Weight

These pistons which are normally in stock come with fitted pins, pin oilers and locks.

Chevrolet-Small Block-Lite Weight-Flat Top-23 DegreeRing Grooves: 1⁄16

1⁄163⁄16 • * Oil Support Rail Included • Compression Based on 64 CC Heads

4.030 3.480 5.700 1.560 -2 9.3 .927 x 2.500 392004.060 3.480 5.700 1.560 -2 10.4 .927 x 2.500 392014.030 3.480 6.000 1.260 -2 9.3 .927 x 2.500 392024.060 3.480 6.000 1.260 -2 10.4 .927 x 2.500 392034.030 3.480 6.125 1.125 -2 10.4 .927 x 2.500 39204*4.030 3.750 5.700 1.425 -2 11.0 .927 x 2.500 392054.030 3.750 6.000 1.125 -2 11.0 .927 x 2.500 39206*4.030 3.750 6.125 1.000 -2 11.0 .927 x 2.500 39207*

Chevrolet-Small Block-350 400-Dome-23 Degree • Designed For Oval Track And StripRing Grooves: 1⁄16


4.030 3.480 5.700 1.560 20 12.5 .927 x 2.850 392204.040 3.480 5.700 1.560 20 12.6 .927 x 2.850 392214.060 3.480 5.700 1.560 20 12.7 .927 x 2.850 392224.030 3.480 6.000 1.260 20 12.5 .927 x 2.850 392234.040 3.480 6.000 1.260 20 12.6 .927 x 2.850 392244.060 3.480 6.000 1.260 20 12.7 .927 x 2.850 392254.030 3.750 5.700 1.425 20 13.4 .927 x 2.850 392264.040 3.750 5.700 1.425 20 13.5 .927 x 2.850 392274.060 3.750 5.700 1.425 20 13.6 .927 x 2.850 392284.030 3.750 6.000 1.125 20 13.4 .927 x 2.850 39229*4.040 3.750 6.000 1.125 20 13.5 .927 x 2.850 39230*4.060 3.750 6.000 1.125 20 13.6 .927 x 2.850 39231*4.125 3.750 5.700 1.425 20 14.0 .927 x 2.850 392324.155 3.750 5.700 1.425 20 14.2 .927 x 2.850 392334.165 3.750 5.700 1.425 20 14.3 .927 x 2.850 392344.125 3.750 6.000 1.125 16 14.0 .927 x 2.850 39235*4.155 3.750 6.000 1.125 16 14.2 .927 x 2.850 39236*4.165 3.750 6.000 1.125 16 14.3 .927 x 2.850 39237*

Bore Stroke Rod Comp. Dist. Vol. CC Comp. Ratio Pin Diam. Part #

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Chevrolet-Small Block-350 400-Reverse Dome-23 Degree • Designed For Track And StripRing Grooves: 1⁄16


4.030 3.480 5.700 1.560 -16 8.5 .927 x 2.850 392504.040 3.480 5.700 1.560 -16 8.6 .927 x 2.850 392514.060 3.480 5.700 1.560 -16 8.7 .927 x 2.850 392524.030 3.480 6.000 1.260 -16 8.5 .927 x 2.850 392534.040 3.480 6.000 1.260 -16 8.6 .927 x 2.850 392544.060 3.480 6.000 1.260 -16 8.7 .927 x 2.850 392554.030 3.750 5.700 1.425 -22 8.7 .927 x 2.850 392564.030 3.750 6.000 1.125 -22 8.7 .927 x 2.850 39257*4.155 3.480 5.700 1.560 -22 8.6 .927 x 2.850 392584.155 3.750 6.000 1.125 -22 9.2 .927 x 2.850 39259*

Chevrolet-Small Block-350 400-Flat Top-23 Degree • Designed For Track And StripRing Grooves: 1⁄16

1⁄163⁄16 • * Oil Support Rail Included • Compression Based On 68 CC Heads

4.030 3.480 5.700 1.560 -4 9.7 .927 x 2.850 392704.040 3.480 5.700 1.560 -4 9.8 .927 x 2.850 392714.060 3.480 5.700 1.560 -4 9.9 .927 x 2.850 392724.030 3.480 6.000 1.260 -4 9.7 .927 x 2.850 392734.040 3.480 6.000 1.260 -4 9.8 .927 x 2.850 392744.060 3.480 6.000 1.260 -4 9.9 .927 x 2.850 392754.030 3.750 5.700 1.425 -4 10.4 .927 x 2.850 392764.040 3.750 5.700 1.425 -4 10.5 .927 x 2.850 392774.060 3.750 5.700 1.425 -4 10.6 .927 x 2.850 392784.030 3.750 6.000 1.125 -4 10.4 .927 x 2.850 39279*4.040 3.750 6.000 1.125 -4 10.5 .927 x 2.850 39280*4.060 3.750 6.000 1.125 -4 10.6 .927 x 2.850 39281*4.125 3.750 5.700 1.425 -4 10.8 .927 x 2.850 392824.155 3.750 5.700 1.425 -4 11.0 .927 x 2.850 392834.165 3.750 5.700 1.425 -4 11.1 .927 x 2.850 392844.125 3.750 6.000 1.125 -4 10.8 .927 x 2.850 39285*4.155 3.750 6.000 1.125 -4 11.0 .927 x 2.850 39286*4.165 3.750 6.000 1.125 -4 11.1 .927 x 2.850 39287*

Chevrolet-Big Block-454 Dome Open ChamberRing Grooves: 1⁄16


4.280 4.000 6.135 1.645 50 12.2 .990 x 2.930 393504.310 4.000 6.135 1.645 50 12.3 .990 x 2.930 393514.350 4.000 6.135 1.645 50 12.5 .990 x 2.930 393524.500 4.000 6.135 1.645 50 13.4 .990 x 2.930 393534.560 4.000 6.135 1.645 50 13.7 .990 x 2.930 393544.600 4.000 6.135 1.645 50 13.9 .990 x 2.930 393554.280 4.000 6.385 1.395 50 12.2 .990 x 2.930 393564.310 4.000 6.385 1.395 50 12.3 .990 x 2.930 393574.350 4.000 6.385 1.395 50 12.5 .990 x 2.930 393584.500 4.000 6.385 1.395 50 13.4 .990 x 2.930 393594.560 4.000 6.385 1.395 50 13.7 .990 x 2.930 393604.600 4.000 6.385 1.395 50 13.9 .990 x 2.930 393614.280 4.250 6.135 1.530 50 12.9 .990 x 2.930 393624.311 4.250 6.135 1.530 50 13.0 .990 x 2.930 39363


11www.venol ia .com

4.350 4.250 6.135 1.530 50 13.3 .990 x 2.930 393644.500 4.250 6.135 1.530 50 14.1 .990 x 2.930 393654.560 4.250 6.135 1.530 50 14.5 .990 x 2.930 393664.600 4.250 6.135 1.530 50 14.7 .990 x 2.930 393674.280 4.250 6.385 1.280 50 12.9 .990 x 2.930 39368*4.310 4.250 6.385 1.280 50 13.0 .990 x 2.930 39369*4.350 4.250 6.385 1.280 50 13.3 .990 x 2.930 39370*4.500 4.250 6.385 1.280 50 14.1 .990 x 2.930 39371*4.560 4.250 6.385 1.280 50 14.5 .990 x 2.930 39372*4.600 4.250 6.385 1.280 50 14.7 .990 x 2.930 39373*

Chevrolet-Big Block-454 Flat TopRing Grooves: 1⁄16


4.280 4.000 6.135 1.645 -4 8.0 .990 x 2.930 393004.310 4.000 6.135 1.645 -4 8.1 .990 x 2.930 393014.350 4.000 6.135 1.645 -4 8.2 .990 x 2.930 393024.500 4.000 6.135 1.645 -4 8.7 .990 x 2.930 393034.560 4.000 6.135 1.645 -4 8.8 .990 x 2.930 393044.600 4.000 6.135 1.645 -4 8.9 .990 x 2.930 393054.280 4.000 6.385 1.395 -4 8.0 .990 x 2.930 393064.310 4.000 6.385 1.395 -4 8.1 .990 x 2.930 393074.350 4.000 6.385 1.395 -4 8.2 .990 x 2.930 393084.500 4.000 6.385 1.395 -4 8.7 .990 x 2.930 393094.560 4.000 6.385 1.395 -4 8.8 .990 x 2.930 393104.600 4.000 6.385 1.395 -4 8.9 .990 x 2.930 393114.280 4.250 6.135 1.530 -4 8.4 .990 x 2.930 393124.310 4.250 6.135 1.530 -4 8.5 .990 x 2.930 393134.350 4.250 6.135 1.530 -4 8.6 .990 x 2.930 393144.500 4.250 6.135 1.530 -4 9.2 .990 x 2.930 393154.560 4.250 6.135 1.530 -4 9.3 .990 x 2.930 393164.600 4.250 6.135 1.530 -4 9.4 .990 x 2.930 393174.280 4.250 6.385 1.280 -4 8.4 .990 x 2.930 39318*4.310 4.250 6.385 1.280 -4 8.5 .990 x 2.930 39319*4.350 4.250 6.385 1.280 -4 8.6 .990 x 2.930 39320*4.500 4.250 6.385 1.280 -4 9.2 .990 x 2.930 39321*4.560 4.250 6.385 1.280 -4 9.3 .990 x 2.930 39322*4.600 4.250 6.385 1.280 -4 9.4 .990 x 2.930 39323*


400 Chevrolet Reverse Dome 440 Chrysler 440 Chrysler Flat Top B-1

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Chrysler-340 360 Flat Top • Designed For Track And StripRing Grooves: 1⁄16

1⁄163⁄16 • Compression Based On 65 CC Heads

4.070 3.310 6.125 1.802 -6.8 9.5 .984 x 2.850 394004.070 4.000 6.125 1.457 -6.8 11.2 .984 x 2.850 394044.030 4.000 6.125 1.457 -20 9.7 .984 x 2.850 394124.060 4.000 6.125 1.457 -20 9.8 .984 x 2.850 394134.070 4.000 6.125 1.457 -20 9.8 .984 x 2.850 39414

Chrysler-340 360 DomeRing Grooves: 1⁄16


4.070 3.310 6.125 1.802 21 12.2 .984 x 2.850 39410

Chrysler-440 Flat Top Ring Grooves: 1⁄16


4.350 3.750 6.768 2.060 -3 10.4 .990 x 2.930 394504.375 3.750 6.768 2.060 -3 10.5 .990 x 2.930 394514.350 3.750 6.768 2.060 -3 10.4 1.094 x 2.930 394524.375 3.750 6.768 2.060 -3 10.5 1.094 x 2.930 39453

Chrysler-440 DomeRing Grooves: 1⁄16


4.350 3.750 6.768 2.060 14 12.0 .990 x 2.930 394574.375 3.750 6.768 2.060 14 12.1 .990 x 2.930 394714.350 3.750 6.768 2.060 14 12.0 1.094 x 2.930 394724.375 3.750 6.768 2.060 14 12.1 1.094 x 2.930 39473

Ford-Small Block- Windsor 302 351 Flat Top • Designed For Track And StripRing Grooves 1⁄16


4.030 3.000 5.155 1.600 -4 9.1 .912 x 2.850 395004.040 3.000 5.155 1.600 -4 9.1 .912 x 2.850 395014.030 3.250 5.400 1.170 -4 9.7 .927 x 2.850 39502*4.040 3.250 5.400 1.170 -4 9.7 .927 x 2.850 39503*4.030 3.400 5.400 1.100 -4 10.1 .927 x 2.850 39504*4.040 3.400 5.400 1.100 -4 10.2 .927 x 2.850 39505*4.030 3.500 5.956 1.770 -4 10.5 .912 x 2.850 395064.040 3.500 5.956 1.770 -4 10.6 .912 x 2.850 39507

Ford-Small Block- Windsor 302 351 Reverse Dome • Designed For Track And StripRing Grooves 1⁄16


4.030 3.000 5.155 1.600 -16 8.0 .912 x 2.850 395204.040 3.000 5.155 1.600 -16 8.0 .912 x 2.850 395214.030 3.250 5.400 1.170 -16 8.6 .927 x 2.850 39522*4.040 3.250 5.400 1.170 -16 8.6 .927 x 2.850 39523*4.030 3.400 5.400 1.100 -16 9.0 .927 x 2.850 39524*4.040 3.400 5.400 1.100 -16 9.0 .927 x 2.850 39525*4.030 3.500 5.956 1.770 -16 9.2 .912 x 2.850 395264.040 3.500 5.956 1.770 -16 9.3 .912 x 2.850 39527


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Ford-Small Block- Windsor 302-351 Dome • Designed For Track And StripRing Grooves 1⁄16


4.030 3.000 5.155 1.600 18 11.6 .912 x 2.850 395504.040 3.000 5.155 1.600 18 11.6 .912 x 2.850 395514.030 3.500 5.956 1.770 18 13.4 .912 x 2.850 395524.040 3.500 5.956 1.770 18 13.4 .912 x 2.850 39553

Ford-Big Block 460 Flat Top • Designed For Turbo And Nitrous ApplicationsRing Grooves: 1⁄16


4.360 3.850 6.605 1.760 -6 11.3 .990 x 2.930 396004.390 3.850 6.605 1.760 -6 11.4 .990 x 2.930 396014.360 3.850 6.605 1.760 -6 11.3 1.040 x 2.930 396024.390 3.850 6.605 1.760 -6 11.4 1.040 x 2.930 39603

Ford-Big Block 460 Reverse Dome • Designed For Turbo And Nitrous ApplicationsRing Grooves: 1⁄16


4.360 3.850 6.605 1.760 -18 10.1 .990 x 2.930 396204.390 3.850 6.605 1.760 -18 10.2 .990 x 2.930 396214.360 3.850 6.605 1.760 -18 10.1 1.040 x 2.930 396224.390 3.850 6.605 1.760 -18 10.2 1.040 x 2.930 396234.360 3.850 6.605 1.760 -18 8.5 .990 x 2.930 396244.390 3.850 6.605 1.760 -18 8.6 .990 x 2.930 396254.360 3.850 6.605 1.760 -18 8.5 1.040 x 2.930 396264.390 3.850 6.605 1.760 -18 8.6 1.040 x 2.930 39627

Ford 2300 Flat Top • Designed For Track And StripRing Grooves: 1⁄16


3.810 3.126 6.205 1.580 -2 8.6 .927 x 2.500 396403.820 3.126 6.205 1.580 -2 8.7 .927 x 2.500 396413.810 3.126 5.700 1.085 -2 8.6 .927 x 2.500 396423.820 3.126 5.700 1.085 -2 8.7 .927 x 2.500 39643


2300 Ford Pinto 351-W Edelbrock Victor Jr. 460 Ford Cobra Jet

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AMCAMC AMC 343 280 67-69Buick7820 Buick 350 68-747821 Buick 350 75-797860 Buick 345-3557861 Buick 455 71-76Chevrolet2634 Chev. 194 6 Cyl. 62-672821 Chev. 302 248-266-275-2902811 Chev. 283 220-2302812 Chev. 327 275-300-210-2502813 Chev. 350 250-255-295-3002814 Chev. 350 175-2702815 Chev. 305 229-V6 150-200 80-842817 Chev. 307 2002818 Chev. 151 1052827 Chev. 305 76-852861 Chev. 396 325-350-3602862 Chev. 396 265-325-3502863 Chev. 396 3752864 Chev. 402 210-240-3002871 Chev. 427 390-4002872 Chev. 427 4252851 Chev. 454 270-365Chrysler3831 Chrys. 318 Flat Top3832 Chrys. 340 275-2903833 Chrys. 360 All3851 Chrys. 440 3903852 Chrys. 440 Six PackFord4410 Ford 2300 1404810 Ford 302 2004811 Ford 351-C 248-266-2754820 Ford 302 5.04850 Ford 390 3204863 Ford 427-428 335Oldsmobile5841 Olds 138 1505842 Olds 307 138-1805843 Olds 350 175-2605861 Olds 455 All-4-BBLPontiac9811 Pont. 350 155-2009851 Pont. 400 180-2209852 Pont. 400 3309853 Pont. 455 290

Part # Engine Year or Horsepower

Tom Boucher402 Chevrolet 300 HP GT/CA

Tom Boucher402 Chevrolet 300 HP GT/CA

Chevy 305

Chevy 350

Chevy 396

The NHRA approved forged series pistons offer theengine builder performance advantages such as tightwall to skirt clearances and precision ring tolerances.Each piston is made to give additional power and durability for stock engines. Each piston carries theNHRA approved stamp.

15www.venol ia .com

Import Motors-4 Cyl. Flat TopAlfa Romeo, Honda, Toyota, Dish-No V/RSubaru, Mitsubishi, MG, Dome-No V/RNissan etc. Dish-With V/R

Dome-With V/RImport Motors-6 Cyl. Flat TopNissan, Toyota, Mitsubishi, Dish-No V/RJaguar Dome-No V/R

Dish-With V/RDome-With V/R

Import Motors-8 Cyl. Flat TopLexus, Infiniti, Jaguar Dish-No V/R

Dome-No V/RDish-With V/RDome-With V/R

Antique-Exotic Flat TopFerrari, Maserati, Bugatti Dish-No V/RPorsche etc. Dome-No V/R

Dish-With V/RDome-With V/R

Piston Type #

1907 Carter Car ( 5.56˝ )

Kent Prather SCCA ChampionKent Prather SCCA Champion

Howard Anderson 4 cyl. 1.8 IntegraHoward Anderson 4 cyl. 1.8 Integra

VENOLIA is rapidly becoming the secret weapon of high-horsepower import engine builders. Call VENOLIAtoday for more information on our import line.

From 2.2 to 5 inches we can make virtually any style piston for any internal combustionengine. Venolia has a complete line of motorcycle pistons (not shown in this catalog).All are custom made. Be sure to call for price quotation before ordering.

1928 Pontiac Inline 61928 Pontiac Inline 6 Rob Cormier 2002 Yamaha YZF R1Rob Cormier 2002 Yamaha YZF R1

Mitsubishi 4G63 Toyota 2TC

Ferrari V-12

16 562-531-8463

Chevrolet265-283-327 Chev Standard 5.700˝ 327-std.265-283-327 Chev .150˝ long 5.850˝ 327-150265-283-327 Chev .300˝ long 6.000˝ 327-300350 Chev Standard 5.700˝ 350-std.350 Chev .150˝ long 5.850˝ 350-150350 Chev .300˝ long 6.000˝ 350-300400 Chev Standard 5.700˝ 400-std.400 Chev .150˝ long 5.850˝ 400-150400 Chev .300˝ long 6.000˝ 400-300396-427-454 Chev Standard 6.135˝ 427-std.396-427-454 Chev .250˝ long 6.385˝ 427-250396-427-454 Chev .400˝ long 6.535˝ 427-400Chrysler392 Chrysler Standard 392-std.417 DONOVAN Standard 6.956˝ 417-std.417 DONOVAN .250˝ long 7.206˝ 417-250426 Chrysler Hemi Standard 6.863˝ 426-std.426 Chrysler Hemi .125˝ long 6.981˝ 426-125426 Chrysler Hemi .187˝ long 7.043˝ 426-187426 Chrysler Hemi .375˝ long 7.238˝ 426-375Ford351W Rods available on special order

Make Length Center to Center Part #

Blown Alcohol

min 6.450˝ max 7.900˝

Chevy 454 Spec.

min 6.100˝ max 7.150˝

Ford 351 Spec.

Nitrous and Turbo applications

Chevy 350 Spec.

min 5.100˝ max 6.150˝

All VENOLIA aluminum rods are madefrom Alcoa aluminum bar stock 7075-T6 or for extreme use C555. Each billet is heated and mechanicallyforged with a 3000 ton press toachieve the tightest grain pattern inthe material. VENOLIA then utilizes the latest in CNC technology, combined with our years of designexperience, to provide a precisionproduct with overall finish quality,strength and durability.

C

E

B

A

The dimensions needed are as follows:

VENOLIA uses the finest A1 Technologies 7⁄16 rod bolts, manufactured from H-11 tool steel with tensile strengths up to 260 ksi. A proprietary heat treating process is used for superior strength and ductility.

Tom “Mongoose” McEwenTom “Mongoose” McEwen

D

A - Center to CenterB - Big End BoreC - Pin DiameterD - Pin End WidthE - Big End WidthIt is vitally important that yourmeasurements are accurate.Our tolerances are very closeand do not make allowances formistakes.

www.venolia.comwww.venol ia .com 17

The proper choice of wrist pins can be critical to your piston assembly. It is important that the pin you choose bestrong yet light enough for the intended application. Our wrist pins are developed specifically for use with VENOLIAPistons and are available in all popular diameters, including straight and tapered with various wall thickness.

PinsStandard Pins: Made from 8620 high tensile strength alloy that provides good ductility. The hard chrome finish provides excellent life.No. 8620 Standard pins

Super Duty Pins: These are the ultimate pins for strength.They are made from 4340 Chrome Moly carrying a minimum tensile strength of 240,000 P.S.I. and a 13%greater ductility than standard pins. Each pin is taper boredfor lightweight and withstands test loads of 60,000 lbs.!They are hard chrome and can be ordered machined forbuttons.

No. 4340 Super Duty pins under 1.000 ˝No. 4340-S Under 1.000˝ pins machined for buttonsNo. 4340-A Super Duty pins over 1.000 ˝No. 4340-AS Over 1.000˝ pins machined for pin buttonsNo. 3004 Pins with stepped aluminum buttons for

stroker engines.

New 5000 Series Pins: If you want the lightest pins possible for normally aspirated gasoline engines, these arethe pins for you. They are made of strong H-11 tool steelbar stock for reliability and long life.No. 5000 Super Light pins under 1.000 ˝No. 5000-A Super Light pins over 1.000 ˝No. 6000 Maraging Steel over 1.156 ˝

Over the past 50 years, we have made custom pistons for virtually every type of internal combustionengine, all with the same precise VENOLIA quality.

M. Lange Motorcycle restorationM. Lange Motorcycle restoration Bob Reiger Twin-Turbo big blockBob Reiger Twin-Turbo big blockM. Lange Motorcycle restorationM. Lange Motorcycle restoration

Pin ButtonsOne effective setup for retaining your pins is VENOLIA’s aluminumpin buttons. They are lightweight and stepped to index in thepin. Buttons are available stepped for stroker installation whereoil ring passes over pin to give extra support. Teflon buttons arealso available for smaller pin diameters.

LOCKBUSTER, spiral lockremoval tool for quick

easy removal of lockswithout damage to

wrist pin holes orlock ring grooves.

No. LP-100

18 562-531-8463

TOP RINGS.046 Chrome Stainless Steel Ring (K wall)This is the original stainless steel racing ring invented by VENOLIA in 1963. Since then, there havebeen many copies on the market, but none have the exclusive VENOLIA K wall design. The deeper Kwall design helps prevent ring flutter and maintains ring seal at high RPMs. These rings will not chip,crack or break. They are good for supercharged engines and engines using gas ports.

.046 CHR/SST K-Wall 2000

.017 Chrome Stainless Steel DykesThis ring is designed for special applications that require a very low pressure dykes ring type. The narrow .017 back face reduces pressure that can push out against the ring. We do not suggest thisring except for unusual circumstances. Please consult VENOLIA for application recommendations.

.017 CHR/SST Dykes 2200

.017 Moly Dyke 2250

.031 Chrome Stainless Steel DykesThis is a normal sized dykes stainless steel ring for use when gas ports are not installed in drag racepistons. We have found advantages to gas ports though and we suggest using them in conjunctionwith our .046 chrome stainless steel top rings (K wall).

.031 CHR/SST Dykes 2300

.043 & 1⁄16 Chrome Stainless Steel Ring (D wall)For pistons that are not cut for K wall rings, these are the next most popular rings for drag racingapplications. Ideally suited for blown fuel to super stock. The stainless material won’t crack, chip orbreak and can really take the heat.

.043 Stainless 22031⁄16 Stainless (Avail. only in 4.250 bore) 2204

.031 Plasma Moly Dykes (3 7⁄8 & up)For those of you who want a dykes type ring, but with quick seating, this is the ring. We suggest thisring for super stock and super modified racers who do not want to use gas ports.

.031 Moly Dykes 2350

.043 Plasma Moly Ductile (D wall)A quick seating non-dykes type ring for use in unblown gasoline applications. We do suggest this ringfor gas port pistons.

*.043 Moly (Under 4 ˝ ) 2400*.043 Moly (Over 4 ˝ ) 2450

*043 Ni-chrome plasma (nitrous use) 2425(HF479 Material) specify wall. Bore series: 4.000, 4.125, 4.500, 4.562, 4.600, 4.675, 4.680, 4.700

1⁄16 or 5⁄64 Moly Ductile Ring (D wall)This is the ring for oval track and NASCAR type racing. It is also great for street or other endurancetype applications. It provides quick seating and long life and is also for drag racing applications thatdo not have pistons cut for .043 ring sizes.

*1⁄16 Moly (Under 4 ˝ ) 2500*1⁄16 Moly (Over 4 ˝ ) 2525*5⁄64 Moly (Under 4 ˝ ) 2600*5⁄64 Moly (Over 4 ˝ ) 2625

*1⁄16 Ni-chrome plasma (nitrous use) 2580(HF479 Material) 4.600 4.625 bores.

19www.venol ia .com

1⁄16 or 5⁄64 Chrome Ductile (D wall)This is the ring for dirt track racers, sprints, super modifieds, stocks, off road or anywhere dirt or dust is afactor. The chrome face will not be affected as badly by the abrasive action of dirt particles in the engine.1⁄16 CHR Ductile D-Wall (Under 4 ˝ ) 2550 5⁄64 CHR Ductile D-Wall (Under 4 ˝ ) 26501⁄16 CHR Ductile D-Wall (Over 4 ˝ ) 2575 5⁄64 CHR Ductile D-Wall (Over 4 ˝ ) 2675

SECOND RINGS1⁄16 Cast Iron Torsional Ring (D wall)This is our most popular all around second ring and is ideal for all types of racing and conditions. (For dragracers that like to cut down the back of this ring to reduce wall pressures, we can provide pistons withgrooves matched to your cut down ring sizes. Not recommended for any other type applications.)

1⁄16 Cast Iron Torsional D-Wall (Under 4 ˝ ) 28001⁄16 Cast Iron Torsional D-Wall (Over 4 ˝ ) 2801

5⁄64 Cast Iron Torsional Ring (D wall)For pistons that have 5⁄64 grooves and applications that need a heavier duty second ring.

5⁄64 Cast Iron Torsional D-Wall (Under 4 ˝ ) 2802

5⁄64 Cast Iron Wiper Non-Torsional Ring (K wall)Super quick seating with the deep K wall. It will not however last as long under heavy use or prolonged high performance street use as a torsional ring because of its narrow face.

5⁄64 Cast Iron Non-Torsional K-Wall (Over 4 ˝ ) 2803

OIL RINGS1⁄8 – 5⁄32 – 4mm – 3⁄16 Stainless Steel Oil RingsThese are the most popular rings available for stock, super stock, modified and pro stock engines. Wehave them available in: Super Low, Low and Standard tensions.1⁄8 Low Tension 2900 1⁄8 Std. Tension 2901 5⁄32 & 4mm Std. 2902

3/16 (only) Racing Chrome Oil Rings (RCO)This ring is ideal for heavy load conditions and endurance racing. Use them for oval track, supercharged engines, boats, marathon, road racing, off road, etc.3⁄16 Racing Chrome (RCO)-Standard Tension 2903 3⁄16 Racing Chrome (RCO)-Low Tension 29043⁄16 Racing Chrome (RCO)-High Tension 29053mm Oil-Low Tension 2906Available Bores: 4.505, 4.535, 4.565, 4.605, 4.630

Oil ring spacer rail 3000

20 562-531-8463

1. The cleaner your bores, the better. For best results:a. Thoroughly wash the block with a spray solvent gun.b. Wash thoroughly with soap and water.c. Using a can of spray oil (like WD-40®) and a roll of paper towels,

spray all the bores and allow to sit for a few minutes.d. Carefully wipe each bore with a clean paper towel. Check each towel to

determine if there are any metal particles still left in the pores of the bore.The light oil will float the particles out of the pores. If the towel comes outdirty, keep repeating the process until the towels come out clean.

PISTON CLEARANCE: With 2618 alloy, top of skirt .008 to .010. Bottom of skirt:.005 to .007. Air cooled engines usually require more clearance.

MATERIAL 4032 2618Normally aspirated street 004-006 006-008

race 006-008 008-010Supercharged, turbocharged street 006-008 008-010

race --- 010-0132. Check your pistons completely for any burrs or sharp edges. Using a deburringknife lightly go over any sharp edges. Make sure there are no chips in the ringlands and pin locks left from machining operations. Thoroughly clean the pistons insolvent and blow them dry with a high powered air hose.

3. Check all rings in their respective bores for proper end gap clearance. It is bestto use a ring squaring tool to make sure the rings are square in the bore beforemeasuring end gaps. Make sure you use a commercial ring filer to increase the endgaps and that it cuts the rings square.RING CLEARANCE: Side Clearance .003 to .004 ring gap: .004 to .005 per inch of bore.When fitting rings to cylinder bores, every .001 change in bore diameter changesthe end gap by approximately .003. Diameter changes affect the gap by the factorof Pi 3.1416. An example of an increase in bore diameter of .002 increases the ring gap by .00628.Example: .002 x 3.1416 = .00628

4. Install the rings on the pistons with a commercial ring installer to prevent damage to the rings. Place the end gaps at 90 to 180 degree intervals. It is best to place the top end gaps toward the torquing side of the piston.

5. Check for piston to valve clearance. This can be done by placing modeling clay on the piston domes and installing the heads and valve train and then rotating the engine. Remove the heads and check the clay thickness. It can also be accomplished with lightweight ‘checking springs’ that are available from manycamshaft manufacturers.

6. Have your block ultrasonically tested for cylinder wall thickness. On cast ironblocks, .150 is the absolute minimum.

7. Make sure the deck surface has been machined flat and smooth. If the engine isa V-8, the decks must be equal distance from the crank centerline and the decks 90degrees to each other. Use torque plates that exactly duplicate head distortion.

8. Install the main caps and torque them to specs for all boring and honing operations.

DOME HEIGHT

PISTON SIZE A

PISTON SIZE B

PISTON SIZE C

COMPRESSIONHEIGHT

DECK CLEARANCEMEASURED AT TDC

WIDTH

AXIAL RINGWIDTH

RADIAL RINGWIDTH

ROD

LENG

TH

BLOCK HEIGHT

Front

Piston OrientationReplacement pistons for 8 cylinder Chevy & Chrysler motors:

Cylinders 1, 4, 5, 8 are left pistons and have exhaust valvepockets on the left side.

Cylinders 2, 3, 6, 7 are right pistons and have exhaust pockets on the right side.

90˚ V-6 Chevy motors require 4 left and 2 right pistons.

21www.venol ia .com

For the track, shop or everyday wear, high qualityVENOLIA apparel puts you in the winner's circle!

VENOLIA T-Shirt Part #V100Available in S, M, L, XL and XXL

Silkscreened VENOLIA Sweatshirts Part #V200Available in S, M, L, XLXXL Part #V250

Small VENOLIA Logo Embroidered SweatshirtsBlack: Available in S, M, L, XL Part #V300XXL Part #V350Gray: Available in S, M, L, XL Part #V300XXL Part #V350

Large VENOLIA Logo Embroidered SweatshirtsBlack: Available in S, M, L, XL Part #V400XXL Part #V450

VENOLIA Apron Part #V800

VENOLIA Baseball Hat Part #V700

VENOLIA Key Chain Part #V900

VENOLIA Hat PinsChoose from 40th Anniversary Part #V1000,300 MPH Club Part #V1001 or VENOLIA logo style Part #V1002

6 1⁄4˝ VENOLIA Sticker Part #V600

Small VENOLIA WrittenEmbroidered SweatshirtsBlack: Available in S, M, L, XL Part #V500XXL Part #V550

22 562-531-8463

VENOLIA PISTONSA product of TOR-CAM Industries, INC.

2160 Cherry Industrial Circle • Long Beach, CA 90805 • Phone: (562) 531-8463, (323) 636-9329 • Fax: (562) 633-9439This form can be downloaded at www.venolia.com

BILL TO: DATE:

ADDRESS: PHONE:

CITY: STATE: ZIP:

SHIP TO: ADDRESS:

CITY: STATE: ZIP:

P.O. NO. TERMS: DISCOUNT: PICKUP: SHIP VIA:

**JOB NO. PROD DATE: CREDIT CARD NUMBER

NAME AS IT APPEARS: EXP DATE: *3-DIGIT SECURITY CODE:

QTY PART NUMBER DESCRIPTION PRICEPISTON

SKIRT BUTTONS

PIN FIT

PINS

RING SET

TOP RING

SECOND

OIL

RODS

OTHER

SPECIAL INSTRUCTIONS / APPAREL SUB TOTAL:

TAX:

TOTAL:

FRT. CHARGE:

C.O.D.:

TOTAL:

DEP. RECD.:

FINAL TOTAL:

ENGINE: YEAR: MODEL: BLOCK HEIGHT:

BORE: CLEARANCE: STROKE:

COMP. RATIO: CYL. HEAD: CHAMBER C.C.:

GASKET THICKNESS: DECK CLR: VALVES, INTAKE: EXHAUST:

RING SETUP: CAM LIFT: LIFT AT TDC: LOBE CENTER:

PIN TYPE: DIAMETER: LENGTH: TYPE RETAINERS:

ROD TYPE: LENGTH CENTER TO CENTER:

RING LOCATION - STOCK OR HIGH: PIN LOCATION - STOCK OR OFFSET:

TYPE OF USE: DRAGS: TRACK: MARINE: STREET: NITROUS:

*3 digit security code: Last 3 numbers on the signature line of your credit card.

** For easy re-order, please keep and refer to your job card numberIMPORTANT

23www.venol ia .com

Sales Policy: All orders will be priced according to our current price schedule. A discount will be offered to all legitimate parts dealers

or service shops. A copy of your business license or other proof must be sent before this discount is extended. Due to the rising of costs

of labor and material we reserve the right to change prices without notification.

Terms: A 50% deposit is required for all new accounts payable by check, wire transfer or credit card. The order will then be shipped

C.O.D., cash or certified check, for the remaining balance. Subsequent orders will be shipped C.O.D. for the full amount and

company checks will be accepted. All orders outside of the United States must be paid in full in advance.

Orders: All orders must have a P.O. number or purchasing agent’s name to be valid. We reserve the right to make design changes for

product improvement. Order 1-3 pistons add 50%.

Warranty Disclaimer: Due to the nature of high performance applications, the parts in this catalogue are sold without any express or

implied warranty of merchantability or fitness for a particular purpose. VENOLIA shall not, under any circumstances, be liable for any

special, consequential or incidental damages, including, but not limited to, loss of profits or revenue, loss of other property or

equipment, cost of purchased or replacement goods or claims of customers of the purchaser which may arise and/or result from the

sale, installation or use of these parts. Installation of these parts could adversely affect the vehicle manufacturer’s warranty coverage.

Returned Goods Policy: No returned merchandise will be accepted without prior authorization. Custom pistons may only be returned

due to defects in workmanship or materials in the as received condition. All returning goods must be accompanied with a copy of the

invoice and must be completed within 45 days of purchase to be valid.

Shipping / Freight: All orders will be shipped by the quickest, most economically efficient way unless otherwise specified. All shipments

are F.O.B. Long Beach.

While all VENOLIA Pistons are custom made to order, we have stocking dealer / distributors across thecountry. For information on who may stock the pistons you require call 562-531-8463.

Ordering HelpOur staff of experts are here toassist you in selecting andordering the proper pistons foryour application. If your application uses a stock blockand heads, or even some of themore popular aftermarket heads,our technical staff will help make your piston ordering process simple. Formore complex configurations we may needactual measurements from your machine shop.

World Wide Shipping Is Available

2160 Cherry Industr ia l Circle • Long Beach, CA 90805Fax 562-633-9439 • Tel 562-531-8463 or 323-636-9329www.venol ia .com

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