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 3.625" big bore cylinder case machined for EFI fitment and optimized oil scavenging. 🔧

• Machined to accept an oil filter assembly that mounts on the front of stock motor cases
• All races are line-honed and the breather cavity is precision-machined to optimize breather timing
• Fits any stroke up to and including 5" and most stock-length connecting rods
• Includes crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug and magnetic drain plug

The kit also contains 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. Made in the USA.