SC7431 - CP Pistons - Sport Compact Series


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Part #: SC7431
Notes: Individual CP Piston
For Turbo / Supercharger & N2O Applications
No Locks Supplied, use Factory Locks
Your Price: $308.75

Specs

Bore 3.937(100.0mm)
Comp Height 1.208
Comp Ratio 8.4:1
Size +0.5mm

All Fitments

SAAB
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2006 - 2006 9-2X AERO H4 2.5 T EJ255 GAS
SUBARU
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2006 BAJA TURBO H4 2.5 T EJ255 GAS
2004 - 2012 FORESTER SPORTS 2.5 XT ALL ALL ALL ALL ALL
2006 - 2012 IMPREZA WRX
WRX LIMITED
WRX PREMIUM
WRX TR
H4 2.5 T EJ255 GAS
2009 - 2010 IMPREZA 2.5 GT ALL ALL ALL ALL ALL
2005 - 2011 LEGACY 2.5GT H4 2.5 T EJ255 ALL
2005 - 2009 OUTBACK BASE ALL ALL ALL EJ255 ALL

Product Description

Whether you’re racing a Honda, Acura, Mitsubishi, Toyota, Nissan, or Subaru, CP Pistons has specially designed high-performance pistons off-the-shelf. In most cases, these will directly replace the stock pistons.

CP pistons are compatible with oversized valves and high lift camshafts. Part numbers ending in a “X” are on a X-style forging for additional strength, durability and weight reduction. The X-style has a full radius dome design, high-performance rings and lightweight wrist pins. CP Pistons represent the highest quality and is engineered for maximum power. Pistons can be ordered with gas ports, skirt coating, ceramic top coating, and stronger wrist pins if desired.

Features

  • High strength aluminum forgings
  • Super lightweight designs
  • Deep valve reliefs accommodate high lift camshafts
  • Larger valve reliefs for +1mm valve sizes
  • Fully CNC machined and balanced to +/- 1 gram
  • Wrist pins included at no extra cost
  • Accumulator groove included
  • Double pin oilers, force fed from oil ring
  • Pick lock grooves for easy lock removal
  • Pin fitting included

CP Pistons are priced and sold per piston. 4 Cylinder engines will require ‘Quantity 4’ of each part #.