Subaru WRX-STI EJ255/57 Piston Set by CP - Bore 99.5mm - 9.0:1 Comp.
- PartNumber: SC7425
Description: Turbo Dish pistons (Set of 4)
Pin Size: 23mm
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.