Watch in action

Fortify Your M8 Big Bore Engine with S&S Cycle's Guardian Kit

Ensure the long-term reliability and performance of your 2017 and newer Harley-Davidson Milwaukee-Eight big bore engine with the S&S Cycle Big Bore Top End Guardian Kit. This comprehensive kit provides crucial components designed to reinforce the top end, preventing common issues associated with increased displacement and power. It's an essential investment for any M8 owner running a big bore conversion.

Key Protection for Enhanced Engines

• Head Gaskets: High-quality, multi-layer steel (MLS) head gaskets for superior sealing and durability under extreme conditions.
• Rocker Box Gaskets: Improved design and materials to prevent oil leaks and maintain a tight seal.
• Breather System Components: Optimized breather system parts to ensure proper crankcase ventilation and reduce oil carry-over.
• Hardware Upgrades: Includes necessary hardware for a secure and reliable assembly, designed to handle higher stresses.

The S&S Cycle Big Bore Top End Guardian Kit is meticulously engineered to complement your big bore upgrade, offering peace of mind and sustained performance. Trust GGCRACING for the best in Harley-Davidson M8 engine protection.