S&S CYCLE Super Stock¢â€žÂ¢ Engine Case - Evolution 31-0005

The foundation of any high-performance Evolution engine starts with a quality case, and the S&S Cycle Super Stock case delivers the precision engineering required for reliability under sustained load. This A356 T-6 aluminum casting is machined to exacting tolerances, with line-honed races and optimized breather timing that maximizes oil scavenging efficiency. Whether you're building a street cruiser or a competition motor, this case gives you the structural integrity and flow characteristics needed to support aggressive engine combinations.

Technical Specifications:

• A356 T-6 heat-treated aluminum
• Line-honed races throughout
• EFI-compatible machining
• Precision breather cavity design
• Front-mounted oil filter ready
• Includes complete hardware kit
• Timken® bearing assembly included
• Magnetic drain plug
• Oil pump drive bushing pre-installed
• Stock motor case compatible
• Made in U.S.A.
• MPN: 31-0005