S&S Cycle Evolution Super Stock Engine Case - 31-0005

Upgrade your Harley-Davidson engine build with the S&S Cycle Super Stock® engine case. This high-performance case is designed for reliability and optimized oil scavenging, providing a robust foundation for your custom engine project. Made in the USA to exacting standards, the S&S Cycle Super Stock® engine case delivers unmatched quality and performance.

Description

The S&S Cycle Super Stock® alternator-style engine case is a direct replacement for stock cases, but with enhanced features for superior performance. This case is designed to accommodate a 3.5" bore cylinder and strokes up to 5", making it ideal for a wide range of engine configurations. The case is meticulously machined to accept an oil filter assembly that mounts on the front, similar to stock motor cases. All races are line-honed, and the breather cavity is precision-machined to optimize breather timing, maximizing oil scavenging efficiency. The case is also machined for EFI fitment, offering flexibility for modern fuel injection systems. Constructed from A356 T-6 aluminum alloy, this case offers exceptional strength and durability for high-performance applications.

Features & highlights

• Designed for 3.5" bore cylinders and strokes up to 5".
• Precision-machined breather cavity optimizes oil scavenging, improving engine efficiency and longevity.
• Line-honed races ensure proper bearing alignment and smooth operation.
• Machined for EFI fitment, allowing for easy integration with electronic fuel injection systems.
• Constructed from high-strength A356 T-6 aluminum alloy for superior durability.
• Includes essential hardware for a hassle-free installation.
• Made in the USA, ensuring top-quality materials and craftsmanship.

Technical specifications

• Brand: S&S Cycle
• MPN: DS194301
• Bore Size: 3.500"
• Material: A356 T-6 Aluminum Alloy
• Finish: Natural
• Type: Standard Bore

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, oil pressure switch, oil screen, spring and plug, sprocket shaft Timken® bearing assembly and oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump drive shaft bushing, and installation instructions.