These pistons are certified by the SCCA!
Forged pistons designed as direct replacement pistons for the following models: Subaru 2004+ Impreza STI, 2005+ Forester XT, Legacy GT, and 2006+ WRX EJ257.
Dome/Dish requires no deburring or preparation
2618 T6 high tensile forged aluminum
Crawford Performance pistons are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
Dome and dishes feature smooth flowing radii for excellent flame travel.
1.2 x 1.2 x 2.5mm ring widths.
.905 x 2.500 straight wall carbon steel wrist pin provided.
Pin fitting and wire locks included
Rings Sold Separately
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