Description
CP Forged Piston Set, Subaru EJ257 WRX STi Compression Ratio:10:1 Pre Motronic: the cam snout has The 944 Turbo distinguished PFF5 5601 3A7200CB Pistons:84mm Bore 9:1 Pre Motronic: the cam snout has two half moon shaped prongs For higher boost applications consider our 4 Port boost control solenoid