The Quad Logic Top End Rebuild Kit is the all-in-one solution for rebuilding your 850cc engine with confidence. Each kit is carefully assembled with premium Namura pistons and a complete OEM-style gasket set, delivering a professional-grade repair for significantly less than dealer pricing. Each piston features a Teflon-coated skirt to minimize friction and wear, improving cylinder life and smoothness across the powerband. The included gasket kit ensures proper sealing for combustion chambers, exhaust, and cooling passages, preventing oil or coolant leaks after assembly. This kit is ideal for restoring power in high-mileage engines, repairing blown gaskets, or performing preventative maintenance before the next season. Installation is straightforward and compatible with factory components—no modifications required. Kit Includes: (2) Standard-bore (86.93 mm) Namura pistons Piston rings, wrist pins, and circlips Full gasket and O-ring set Valve seals Replaces OEM Part Numbers: Pistons: 2204055 Base Gasket: 5813345 Exhaust Gaskets: 3087957 Valve Seals: 3610165