S&S Alternator-Generator Crankcase Set Knucklehead

Set accepts Panhead cylinders with 3-7/16" bore and is shipped with left side bearing race, oil pump drive bushing, cylinder base studs, idler stud, circuit breaker stud, pinion needle bearing and pinion race installed.

Pinion race is lined, honed and ready for assembly.

Also included are nickel plated case bolts, crankcase fittings, left side motor bearing, seal and spacer.

Crankcase features 3-7/16" bore and accepts flywheels up to 8-1/2" diameter.

Manufacturer's Statement of Origin is supplied.