OE replacement pistons of the quality Precision machined to tight tolerances and designed for OE form, fit, and function, providing reliable factorystyle performance. Lightweight design for better engine dynamics Reduced reciprocating mass without sacrificing reliability Lower bearing loads, smoother engine running, and improved engine response Grafal skirt coating for reduced friction and wear Proprietary Grafal graphite impregnated resin antifriction skirt coating Reduces drag, scuffing, friction, and cylinder bore wear Key attributes for function and performance Function: replacement pistons engineered to restore OE performance in engines requiring OE spec pistons Compatibility: designed to match OE form, fit, and function for relevant engines Size and tolerances: precision machined to very tight tolerances to ensure proper clearance and seating Material and coating: Grafal antifriction skirt coating on the piston skirt Performance benefits: smoother operation, improved response, and reduced wear over time Use scenarios Engine rebuild for a daily driver that requires OEspec piston replacement to restore factory performance and reliability Performanceoriented rebuild where reduced reciprocating mass enhances throttle response and overall engine feel without compromising durability Longlife engines showing signs of bore wear or increased friction, where Grafal coated skirts help minimize wear and maintain efficiency