S&S Cycle #31-0000 Super Stock? Engine Case – Evolution
Super Stock? Engine Case
Cast from A356 T-6 heat-treated aluminum alloy
Machined to accept an oil filter assembly that mounts on the front of stock motor cases
All races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil scavenging
Additional parts include; crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, oil pressure switch, oil screen, spring and plug, sprocket shaft Timken? bearing assembly and oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump drive shaft bushing and installation instructions
Machined for EFI fitment
Made in the U.S.A.
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