CP Pistons Subaru WRX STi EJ257 2.5L 99.5mm STD -21 cc 8.2:1 SC7420

INDIVIDUAL CP PISTON; FOR TURBO / SUPERCHARGER & N2O APPLICATIONS; NO LOCKS SUPPLIED, USE FACTORY LOCKS

$674.99

In Stock
SKU: SC7420 Categories: , Tags: , , , , , , ,

Description

PRODUCT DETAILS

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 #.

QUICK SPECS
Bore: 3.9175(99.5mm)
Comp Height: 1.208
Comp Ratio: 8.2:1
Size: STD
YEAR MAKE MODEL CYLINDERS LITERS FUEL TYPE FUEL DELIVERY ASPIRATION ENGINE DESIGNATION NOTES
2004 – 2012 SUBARU IMPREZA H4 2.5 GAS FI T EJ257

Brand

CP-Carrillo

Additional information

Weight 6 lbs
Dimensions 12 × 12 × 5 in

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