S&S Cycle Twin Cam Engine Case - Black - 31-0181A

Upgrade your Harley-Davidson's foundation with the S&S Cycle Twin Cam "A" Engine Case. Designed as a robust replacement for stock H-D chassis (carb and EFI), this engine case provides enhanced strength and reliability. Built with precision and incorporating advanced features, this case ensures optimal performance and longevity for your motorcycle.

Description

The S&S Cycle Twin Cam "A" Engine Case offers superior overall strength compared to stock crankcases, providing a solid base for high-performance builds. Featuring dependable Timken®-style sprocket shaft bearings, this engine case is engineered for durability. All passages between the crankcase cam support plate are O-ring sealed, preventing leaks and maintaining optimal oil pressure. The included S&S crankcase breather reed valve is specifically designed to eliminate oil carry-over and oil scavenging problems, ensuring efficient engine operation. Rear motor mount bolts directly to the stock transmission, ensuring full compatibility with the stock primary, charging system, and other components. Crafted from high-quality 356 T-6 aluminum and finished in wrinkle black, this engine case combines strength with a sleek aesthetic.

Features & highlights

• Enhanced Strength: Greater overall strength compared to stock crankcases for improved durability and performance.
• Timken® Bearings: Strong and dependable Timken®-style sprocket shaft bearings ensure smooth and reliable operation.
• O-Ring Sealed Passages: All passages between the crankcase cam support plate are O-ring sealed to prevent leaks and maintain oil pressure.
• Advanced Breather System: S&S crankcase breather reed valve eliminates oil carry-over and oil scavenging problems.
• Direct Compatibility: Rear motor mount bolts directly to the stock transmission, fully compatible with stock components.
• Premium Material: Constructed from high-quality 356 T-6 aluminum for exceptional strength and heat dissipation.
• Made in the USA: Ensures top-notch quality and supports domestic manufacturing.

Technical specifications

• Brand: S&S Cycle
• Product Name: Engine Case
• Vendor Part Number: 31-0181A
• Material: 356 T-6 Aluminum
• Bore Size: 4.125"
• Color/Finish: Wrinkle Black

Important to know

This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications. Designed as a replacement for stock H-D chassis only (carb and EFI).