cams what compression height piston do i need 2 calculate connecting rod length connecting rod length is measured between the centers of the big end journal end rotating and the little end piston pin end reciprocating stock chevrolet v-8 connecting rod lengths displacement cubic inches 302 305 327 350 350 lt5 350 ls1 383 400 396 402 427 454 502 377 valve train liters 4.9 5.0 5.4 5.7 5.7 5.7 6.3 6.6 6.5 6.6 7.0 7.4 8.2 6.2 big end dia inches 2.1000 2.1000 2.1000 2.1000 2.1000 2.2500 2.1000 2.1000 2.2000 2.2000 2.2000 2.2000 2.2000 2.2000 rod length inches 5.7000 5.7000 5.7000 5.7000 5.7400 6.0980 6.0000 5.5650 6.1350 6.1350 6.1350 6.1350 6.1350 6.1350 pistons rods stock ford v-8 connecting rod lengths displacement cubic inches 289 302 302 boss 302 svo 351 w 69 70 351 w 71 96 351 svo 9.2 351c boss 351m 429 std 68 70 429 std 70 1/2 71 429 cj/scj 72 73 429 boss s 429 boss t 460 281 modular 331 modular liters 4.7 5.0 5.0 5.0 5.8 5.8 5.8 5.8 5.8 7.0 7.0 7.0 7.0 7.0 7.5 4.6 5.4 bi
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other calculations cams helpful calculations cylinder bore diameter valve train cylinder bore diameter square root of [engine displacement stroke x 0.7854 x number of cylinders example 1 engine displacement =350 cubic inches stroke length 3.480 number of cylinders 8 cylinder bore diameter square root of [engine displacement stroke x 0.7854 x number of cylinders cylinder bore diameter 349.8486 3.480 x 0.7854 x 8 cylinder bore diameter 4.000 pistons example 2 nascar has a 358 cubic inch maximum engine size rule if we use a 3.480 stroke crank what is the biggest bore allowed engine displacement =358 cubic inches stroke length 3.480 number of cylinders 8 cylinder bore diameter square root of [engine displacement stroke x 0.7854 x number of cylinders cylinder bore diameter 358 3.480 x 0.7854 x 8 cylinder bore diameter 4.046 rods cranks formula for milling pistons for 4032 material only piston dome cc s to gram conversion 1cc volume 2.8 grams weight this is a good way to
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chevy 350 xls-2bbl xtra light series-1/16 rings features · the original xtra lite series set new standards for light weight quicker revving and reduced loads on the bottom end · a specially developed skirt shape is easy on cylinder walls and makes a very noticeable difference in an engines behavior · radiused valve pockets · skirt design allows for .004 clearance w excellent wear properties · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox · the original xtra lite series sets new standards for light weight quicker revving and reduced loads on the bottom end · a specially developed skirt shape is easy on cylinder walls and makes excellent power kit part wisk167a3 wisk167a4 wisk167a6 wisk166a3 wisk166a4 wisk166a6 bore 4.030 4.040 4.060 4.030 4.040 4.060 comp stroke height 1.550 1.550 1.550 1.250 1.250 1.250 3.480 3.480 3.480 3.480 3.480 3.480 rod 5.700 5.700 5.7
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chevy 350/360/383 max dome gas ported gas equalizer groove pro series .043 rings nitrous compatible features · this new series features a brutally strong 2618 alloy forging .043 pro series rings help make the ring lands extremely strong a contoured dome allows for more detonation resistance gas ports and gas equalizer groove for great ring seal · radiused valve pockets · skirt design allows for .004 clearance w excellent wear properties · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox cams valve train pistons kit part wisk402bs wisk402b3 wisk402b6 kwis401bs wisk401b3 wisk401b6 wisk400bs bore 4.000 4.030 4.060 4.000 4.030 4.060 4.000 comp stroke height 1.550 1.550 1.550 1.250 1.250 1.250 1.120 1.120 1.120 3.480 3.480 3.480 3.480 3.480 3.480 3.480 3.750 3.480 3.750 3.480 3.750 rod 5.700 5.700 5.700 6.000 6.000 6.000 6.125 6.000 6.125 6.000 6.125 6.000 0 deck st
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cams chevy ls-1/ls-2/6.0 truck reverse dome turbo duty features · as the leader in ls-1 forged piston production wiseco pulled out all the stops when designing this series it s designed to accommodate the reluctor ring on stroker cranks without having to notch the pin bosses offset pins like the factory and skirts specifically designed for street applications make these the best available they ve been tested successfully in highest horsepower applications · skirt design allows for .004 clearance w excellent wear properties · radiused valve pockets · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox valve train kit part wisk392a07 bore 3.905 comp stroke height 1.304 1.304 1.304 1.304 1.304 rod 0 deck std avg at deck ht wt 9.213 9.240 9.213 9.240 9.213 9.240 9.213 9.240 9.213 9.240 9.230 9.240 9.230 9.240 9.230 9.240 9.230 9.240 9.230 9.240 442 442 442 442 442 442
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pistons big block chevrolet cams chevy 502 stroker dome-light weight drag open chamber 1/16 rings features · the 24 degree bb chevrolet parts are designed to be the lightest on the market generous valve pockets are compatible with all but the most milled cylinder heads full round 2618 forgings and a newly designed skirt shape keep piston rock to a minimum and ring seal at a maximum lessons learned in pro stock racing and precision tolerances make these pistons unbeatable · radiused valve pocket · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox kit part bore 4.500 4.530 4.500 4.530 4.500 4.530 4.560 comp stroke height 1.645 1.645 1.520 1.520 1.520 1.395 1.395 1.395 1.395 1.270 1.270 1.270 1.270 1.270 1.245 1.245 1.245 1.245 1.245 1.120 1.120 1.120 1.120 1.120 4.000 4.000 3.760 4.250 4.250 4.000 4.500 4.500 4.000 4.500 4.500 4.000 4.500 4.500 4.000 4.500 4.50
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pistons big block chevrolet cams valve train chrysler 360 flat top-light weight/high strength features · this part starts with a dedicated forging light weight with thick cross sections make this a good nitrous piston · radiused valve pockets · skirt design allows for .004 clearance w excellent wear properties · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox pistons kit part wisk234a3 wisk234a4 wisk234a6 bore 4.030 4.040 4.060 comp stroke height 1.665 1.665 1.665 3.580 3.580 3.580 rod 6.123 6.123 6.123 0 deck std avg at deck ht wt 9.578 9.578 9.578 9.600 9.600 9.600 529 529 529 volume compression ratio at 63cc 65cc 68cc 71cc -5.5 -5.5 -5.5 10.6 10.4 10.0 9.7 10.6 10.4 10.0 9.7 10.6 10.4 10.0 9.7 pin part included std tension rings skirt 1/16.1/16,3/16 type slipper slipper slipper rods wiss-547.984x2.500 wiw100f8-4030-5 wiss-547.984x2.500 wiw100f8-4040-5 wis
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pistons forged piston kits cams forged piston kits kit part repl piston bore size stroke rod length comp ht dome volume comp ratio repl ring part repl piston pin part repl spiro lox part valve train chevy 23º small block wispt003hs wis5003hs 4.000 wispt003h3 wis5003h3 4.030 wispt003h4 wis5003h4 4.040 wispt003h6 wis5003h6 4.060 wispt008hs wispt008h3 wispt008h4 wispt008h6 wispt061h3 wispt025h3 wispt025h4 wispt025h6 wispt016hs wispt016h3 wispt016h4 wispt017hs wispt017h3 wispt017h4 wispt017h6 wispt020h3 wispt020h4 wispt079hs wispt079h3 wispt079h4 wis5008hs wis5008h3 wis5008h4 wis5008h6 wis5061h3 wis5025h3 wis5025h4 wis5025h6 wis5016hs wis5016h3 wis5016h4 wis5017hs wis5017h3 wis5017h4 wis5017h6 wis5020h3 wis5020h4 wis5079hs wis5079h3 wis5079h4 4.000 4.030 4.040 4.060 4.155 4.030 4.040 4.060 4.125 4.155 4.165 4.000 4.030 4.040 4.060 4.155 4.165 4.125 4.155 4.165 flat top 2-valve pockets for 67cc cylinder heads 3.480 5.700 1.560 -5.4cc 9.7:1 wis4000h 3.480 5.7
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pistons piston ring technical information cam cam lifter part part advertised duration in/ex duration .050 in/ex gross lobe sep valve lift angle/intake in/ex center line valve lash in/ex lifters springs retainers cams valve train piston ring technical information lunati offers the finest quality piston ring sets available on the market today each series contains the best combination of rings necessary to seal your performance engine for maximum efficiency and performance if you re serious about racing then this is the ring set for you 3 basic ring set combinations are available from lunati r racer series consisting of a plasma moly top ring a ductile iron second ring and a low tension oil control ring p pro series consisting of a barrel faced plasma moly top ring a ductile iron second ring and a low tension oil ring t pro series w/total seal® 2nd ring series consisting of a barrel faced plasma moly top ring a total seal® second ring and a low tension oil control ring the par
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pistons piston pins cams piston pins part qty chevy wiss417 1 wiss424 1 wiss683 1 wiss460 1 wiss451 1 wiss465 1 wiss462 1 wiss585 1 wiss643 1 wiss667 1 description 2.500 x .866 o.d 140 wall 2.500 x .927 o.d 150 wall 2.750 x .927 o.d 150 wall 2.930 x .990 o.d 160 wall 2.950 x .927 o.d 150 wall 2.950 x .927 o.d 170 wall 2.930 x .990 o.d 180 wall 2.400 x .927 o.d 150 wall 2.250 x .927 o.d 150 wall 2.390 x .990 o.d 200 wall gram weight 100 117 129 157 137 151 173 111 104 187 pistons valve train chevy oversize wrist pins wiss495 1 2.500 x .929 o.d 150 wall wiss496 1 2.950 x .929 o.d 150 wall wiss684 1 2.930 x .992 o.d 160 wall 118 138 159 rods chevy chamfered round wire wiss546 1 2.950 x .927 o.d 150 wall 137 wiss569 1 2.930 x .990 o.d 180 wall 172 wiss575 1 2.500 x .927 o.d 150 wall 117 lunati piston pins are machined to exacting tolerances from the finest materials tool steel piston pins are available and recommended for e
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cams custom piston recommendation form all custom piston sets are designed and manufactured per specific engine specifications and must be accompanied by a signed order sheet and a fifty percent down payment under no circumstances are custom pistons returnable for credit exchange or refund unless the piston fails to meet the custom order specifications examine our list of stocked pistons before deciding to order custom sets we are constantly expanding our product line and may have the products that you need in stock valve train 11126 willow ridge drive olive branch ms 38654 phone 662-892-1500 fax 662-890-6309 name date shipping address city state zip daytime phone night phone fax special shipping instructions custom piston specifications bore size compression height boss width brand of pins pin diameter pin lock type pin offset piston weight needed pin length brand of rings top ring thickness radial depth 2nd ring thickness radial depth
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