Description
A quality crankcase is the foundation of a reliable, high-performance engine—it houses your bearings, manages oil delivery, and sets the standard for longevity. The S&S Cycle crankcase delivers precision engineering with A356 T-6 aluminum construction and line-honed bearing races that optimize oil scavenging and bearing life. This is a complete assembly solution for Harley-Davidson big-twin applications, saving you the hassle of sourcing individual components and ensuring proper fitment and performance.
- Material: A356 T-6 aluminum alloy
- Heat-treated for durability
- Bearing races: Line-honed precision
- Sprocket shaft: Timken bearing assembly
- Oil seal: Included and installed
- Cylinder bore: 3.4375″ machined
- Gear cover: 1/4″-20 tapped
- Magnetic drain plug: Included
- Breather cavity: Precision machined
- Oil pump bushings: Installed
- Generator mounting: 5/16″ bolt holes
- Includes: Bolts, washers, nuts, studs
- Compatibility: 1958 and later pinion bearings
- Not compatible: 1957 and earlier flywheels
- Installation: Bolt-on, professional installation recommended
- Origin: Made in the U.S.A.
- Note: Generator kit purchased separately
