CP Pistons ::::: CP Piston & Ring Set for Subaru EJ257 WRX STi 8.2:1

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Compression Ratio (8.2)

CP Subaru® pistons are available standard or oversized. CP pistons are compatible with oversize valves, higher lift cams and high performance rings. CP pistons represent the highest quality and are engineered for maximum power. Pistons can be ordered with skirt coating if desired. Head gaskets also available.

-Deep valve relief depth accommodates high lift camshaft
-Made for +1mm valve sizes
-Custom skirt cam and barrel design
-Accumulator grooves
-High strength aluminum forgings
-High performance rings
-Fully CNC machined and balanced to +/- 1 gram
-Wrist pins included at no additional cost
-Double pin oilers, force fed oil ring
-Pick lock grooves for easy lock removal
-Pin fitting included

Available:
SC7420 99.5mm bore (Standard)
SC7422 99.75mm (+0.25mm)
SC7421 100mm (+0.5mm)