S&S Cycle Super Stock Generator Engine Case - 31-0010

The S&S Cycle Super Stock® Generator Engine Case provides a robust foundation for your vintage motorcycle build. Crafted with precision and designed for optimal performance, this engine case offers reliability and enhanced oil scavenging for your generator-equipped engine.

Description

This S&S Cycle Super Stock® engine case is expertly machined from A356 T-6 aluminum alloy, ensuring exceptional strength and durability. The bearing races are line honed, and the breather cavity is precision machined to optimize breather timing for maximum oil scavenging, contributing to improved engine efficiency and longevity. Designed for use with 3.4375" cylinders, the case features tapped 1/4"-20 holes for gear covers, oil pump, tappet guides, timer, and timer advance, providing versatile compatibility. It also utilizes Timken® style sprocket shaft bearings for enhanced reliability. Drilled for 5/16" generator mounting bolts, this case is specifically designed for generator-equipped engines. Proudly made in the USA, this engine case delivers superior quality and performance for your classic motorcycle restoration or custom build.

Features & highlights

• Precision-machined from high-strength A356 T-6 aluminum alloy for exceptional durability.
• Line-honed bearing races and precision-machined breather cavity optimize oil scavenging, improving engine efficiency.
• Designed for 3.4375" cylinders, providing a perfect fit for a range of engine builds.
• Tapped 1/4"-20 holes for easy installation of gear covers, oil pump, tappet guides, timer, and timer advance.
• Utilizes reliable Timken® style sprocket shaft bearings for enhanced performance and longevity.
• Drilled for 5/16" generator mounting bolts, ensuring proper fitment for generator-equipped engines.
• Proudly made in the USA, guaranteeing high-quality craftsmanship and materials.

Technical specifications

• Brand: S&S Cycle
• Product Name: Engine Case
• Type: Generator
• Material: A356 T-6 Aluminum Alloy
• Cylinder Bore: Machined for 3.4375" cylinders
• Finish: Natural

Important to know

This kit includes crankcase bolts, washers, 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, and oil pump shaft bushings. Installation instructions are also included.

Generator crankcase gear kit (includes circuit breaker drive gear, idler gear, circuit breaker gear and shims) and shafts must be purchased separately.

'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.

'65 models use '65 alloy inner primary.