S&S Cycle Super Stock Big Bore Engine Case - Raw - 31-0004

Upgrade your Harley-Davidson engine with the S&S Cycle Super Stock® Big Bore Engine Case. This high-performance engine case allows you to build a larger displacement engine, unlocking significant horsepower and torque gains. Designed for reliability and ease of installation, the S&S Super Stock case is the perfect foundation for your next engine build.

Description

The S&S Cycle Super Stock® Big Bore Engine Case is meticulously crafted to provide superior strength and performance. Featuring a 3.625" big bore cylinder case, it accommodates strokes up to 5" and most stock length connecting rods. The case is machined to accept an oil filter assembly that mounts on the front, similar to stock motor cases. Precision line-honing of all races and optimized breather cavity machining ensure maximum oil scavenging and efficient breather timing. This case is also machined for EFI (Electronic Fuel Injection) fitment, offering modern fuel delivery capabilities. Proudly made in the USA from high-quality A356 T-6 aluminum alloy, this case provides exceptional durability and heat dissipation, critical for high-performance applications.

Features & highlights

• Maximize engine displacement with the 3.625" big bore, supporting strokes up to 5".
• Optimized oil scavenging through precision-machined breather cavity.
• Direct oil filter mounting on the front of the case for easy maintenance.
• Built to last with durable A356 T-6 aluminum alloy construction.
• Comprehensive kit includes all necessary hardware for installation.
• EFI-ready design allows for modern fuel injection system integration.
• Proudly made in the USA, ensuring top-notch quality and craftsmanship.

Technical specifications

• Brand: S&S Cycle
• Part Number: DS194306
• Bore Size: 3.625"
• Color/Finish: Raw
• Material: A356 T-6 Aluminum Alloy
• Type: Big Bore

Important to know

Kit includes: crankcase bolts, washers and 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.