CP Piston Set 99.75mm Bore 10:1 CR 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2010 FXT Exclusive
Original price was: $766.50.$306.60Current price is: $306.60.
Description
Upgrade your Subaru WRX STI engine with the premium CP Piston Set featuring a 99.75mm bore and 10:1 compression ratio. Designed for enthusiasts seeking enhanced power and reliability, these pistons deliver superior performance for 2006-2014 WRX, 2004-2021 WRX STI, 2005-2009 Legacy GT, and 2004-2010 Forester XT models.
Crafted from high-strength aluminum forgings, each piston is fully CNC machined and balanced to within +/- 1 gram for optimal engine efficiency. The set includes deep valve reliefs to accommodate high lift cams and oversized valves (+1mm), custom skirt cam and barrel design, accumulator grooves, and high-performance rings. Wrist pins and pin fittings come included at no extra cost, with double pin oilers and force-fed oil rings to ensure durability under demanding conditions.
Ideal for Subaru enthusiasts upgrading forced induction or high-performance builds, these CP pistons offer a reliable foundation for power gains. Trust Subimods for quality Subaru engine parts. Shop now to enhance your build with precision-engineered pistons.





