Part Number: cppSC7421

Description: Individual CP Piston; For Turbo / Supercharger & N2O Applications; No Locks Supplied, use: Factory Locks

Comp Height: 1.208

Comp Ratio: 8.2:1

Bore: 3.937(100.0mm)

Size: +0.5mm

Fitment: 08-14 Subaru WRX & STI Hatchback & Sedan

Notes: Not for sale in California not CARB Legal

Details:

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.

STANDARD FEATURES INCLUDE:
-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