S&S CYCLE Super Stock® Big Bore Engine Case — 3.625" bore, Raw – 70-84 Big Twin, 79-84 Touring, 82-84 FXR, 84 Police

The Super Stock® big bore engine case is a precision-machined crankcase engineered for larger-displacement builds and EFI fitment. It accepts a front-mounted oil filter assembly on stock-style motor cases and features line-honed bearing races plus a precision-machined breather cavity to optimize breather timing and maximize oil scavenging.

The kit includes 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, a sprocket shaft Timken® bearing assembly with oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump drive shaft bushing and detailed installation instructions.

Machined for EFI fitment and built for durability; made in the USA. ⚙️🔧