Bottom End

Cast from A356 T-6 heat-treated aluminum alloyInclude crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken®...

Cam chest is moved outward .250" to allow crankcases to handle large cylinder bore sizesRelocated cam chest oil pick-up increases gear case scavenging and virtually eliminates oil carry-over at sustained high rpmMachined to accept the stock oil filter...

Cast from A356 T-6 heat-treated aluminum alloyIncludes crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken®...

Cast from A356 T-6 heat-treated aluminum alloyInclude crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken®...

Cast from A356 T-6 heat-treated aluminum alloyMachined to accept an oil filter assembly that mounts on the front of stock motor casesAll races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cast from A356 T-6 heat-treated aluminum alloyMachined to accept an oil filter assembly that mounts on the front of stock motor casesAll races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cast from A356 T-6 heat-treated aluminum alloyMachined to accept an oil filter assembly that mounts on the front of stock motor casesAll races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cast from A356 T-6 heat-treated aluminum alloyMachined to accept an oil filter assembly that mounts on the front of stock motor casesAll races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cast from A356 T-6 heat-treated aluminum alloyMachined to accept an oil filter assembly that mounts on the front of stock motor casesAll races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsMade in the U.S.A.N6 designed for modified 1200s to 80" and/or high-compression pistons: stock springs and...

Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsMade in the U.S.A.

Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsN3 cams are bolt-in for 05-16 883/1200 engines with stock springs and heads (cams for 04-06 models with more than ...