Subaru WRX-STI EJ255/57 Piston Set by CP - Bore 99.5mm - 9.0:1 Comp.
$885.95
PartNumber: SC7425 Description: Turbo Dish pistons (Set of 4) Pin Size: 23mm Bore: 99.5mm CP pistons are rated at 550+ hp. but here at Golden Eagle we believe in over building. If you plan on hitting 600+ hp. we would highly recomend the upgraded pin option.
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