quality OE replacement pistons Precision machined to very tight tolerances Designed with OE form, fit, and function Lightweight design for improved performance and reliability Reduced reciprocating mass without compromising durability Lower bearing loads for smoother engine operation Improved engine response Proprietary GRAFAL antifriction skirt coating Graphite impregnated resin coating Reduces drag, scuffing, and friction Minimizes cylinder bore wear Use scenarios Engine rebuilds on modern gasoline engines that require OE replacement pistons and OEMstyle geometry OEMconformant restoration or maintenance for daily drivers where preserving original form and function is important Performanceoriented rebuilds where reducing friction and wear while maintaining OEM characteristics is beneficial