S&S 31-0008 Super Stock® Generator Engine Case - Big Twin
Features
Include crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken® bearing assembly, oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump shaft bushings and installation instructions
Use Timken style sprocket shaft bearings and '58 and later pinion bearings (will not accept '57 and earlier flywheels)
Bearing races are all line honed and breather cavity is precision machined to optimize breather timing for maximum oil scavenging
Machined for 3.4375" cylinders and tapped 1/4"-20 for gear covers, oil pump, tappet guides, timer and timer advance
Drilled for 5/16" generator mounting bolts
'63-'65 models with outside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines
Made in the USA
Generator crankcase gear kit includes circuit breaker drive gear, idler gear, circuit breaker gear. Shims and shafts must be purchased separately.
Specs
Product Name Engine Case
Type Generator
Model Super Stock®
Color/Finish Natural
Material A356 T-6 Aluminum Alloy
Units Kit
Riding Style Street
1958-1964 Harley-Davidson Duo Glide FLH
1958-1964 Harley-Davidson Duo Glide FL
1954-1956 Harley-Davidson Model KH 900 KH
1954-1956 Harley-Davidson Model KHK 900 KHK
1952-1953 Harley-Davidson Model K 750 K
1952-1953 Harley-Davidson Model KK 750 KK
1949-1957 Harley-Davidson Hydra Glide FL
1949-1957 Harley-Davidson Hydra Glide EL
1948-1964 Harley-Davidson FL
1948-1964 Harley-Davidson FS
1948-1951 Harley-Davidson WL 740
1948 Harley-Davidson 1200 UL
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.