Alternator Style Crankcase Assembly with Stock Bore – Natural. Fits Big Twin 1970-1984.

Product Details









Features & Benefits:-* The S&S Super Stock alternator style crankcases are perfect for stock replacement & for high performance applications. * Pre-clearanced for strokes up to & including 5in. S&S Super Stock crankcases are compatible with stock 1970-1999 flywheel assemblies, primary covers, gearcovers & clearanced for 38 amp alternator stators. Tech Tips:-* Stock Bore # SS31-0003.* 3-5/8in. Bore # SS31-0004.* 3-5/8in. Bore (small diameter) # SS31-0071 .* 3-13/16in. Bore # SS31-0030.* 1981–1984 style oil pump. Includes primary scavenge port machining. Machined for 1970 & later alloy primary.Proudly Made in the USA by S&S Cycle !
MFR PART No: 31-0003

ROLLIES PART No: SS31-0003






Download Product information ( PDF)