Description
A quality crankcase is the foundation of any reliable Harley-Davidson engine build. The S&S Cycle crankcase delivers precision-machined construction with optimized oil scavenging and proven Timken bearing assemblies, giving you the durability and performance needed for demanding street and track applications. This U.S.-manufactured unit comes complete with all necessary hardware and internal components, saving you time sourcing individual parts.
- Material: A356 T-6 aluminum alloy
- Heat-treated for durability
- Cylinder bore: 3.4375″
- Timken sprocket shaft bearings
- Line-honed bearing races
- Precision-machined breather cavity
- Optimized oil scavenging design
- Magnetic drain plug included
- Oil seal and bushings included
- Cam needle bearing assembly included
- Sprocket shaft bearing assembly included
- Includes all bolts and hardware
- Breather and oil line fittings included
- Timing hole plug included
- Top end oil screen assembly included
- Tapped 1/4″-20 for accessories
- 5/16″ generator mounting bolts
- Compatible 1958-later flywheels
- Fits 63-65 models (with notes)
- Made in U.S.A.
- Installation: Professional recommended
- MPN: 31-0052
