S&S CYCLE Twin Cam 310-0369 Engine Case - 4.125 Inch Bore, Wrinkle Black Finish, Compatible with Stock H-D Chassis

Engine Case - 4.125" Bore w/Stock Stud Pattern - Wrinkle Black - Twin Cam

The S&S CYCLE Twin Cam 310-0369 engine case is designed for use with stock Harley-Davidson chassis equipped with carbureted or EFI systems, offering a reliable upgrade for your V-twin engine. Crafted with enhanced strength over stock crankcases, this engine case ensures durability and long-lasting performance in demanding riding conditions. The design incorporates robust Timken®-style sprocket shaft bearings, providing dependable support for your drivetrain and reducing maintenance needs. All passages between the crankcase cam support plate are sealed with O-rings, preventing leaks and ensuring optimal oil management. This compatibility extends to most stock components, making installation smoother and more straightforward for experienced technicians. Included with this engine case is an S&S crankcase breather reed valve, engineered to eliminate oil carry-over and scavenging issues, thus maintaining cleaner operation and reducing oil consumption. The rear motor mount attaches directly to the stock transmission, and the case maintains full compatibility with the stock primary and charging system, simplifying upgrades without extensive modifications. Made in the USA, this product combines quality craftsmanship with precision engineering, providing a solid foundation for custom builds or engine replacements. Proper installation requires a skilled technician to verify all clearances and assembly specifications, ensuring optimal performance and reliability for your Harley-Davidson motorcycle.

Features:

• Designed for stock Harley-Davidson chassis with carbureted or EFI setups

• Greater overall strength than stock crankcases for enhanced durability

• Strong Timken®-style sprocket shaft bearings for reliable operation

• O-ring sealed passages between crankcase cam support plate to prevent leaks

• Includes S&S crankcase breather reed valve to eliminate oil carry-over and scavenging issues

• Rear motor mount bolts directly to stock transmission, compatible with stock primary and charging system

• Constructed in the USA with precision engineering for quality and reliability