CP Piston Set 100mm Bore 8.2:1 CR – Subaru EJ257 2004-2021 STI

Description:

CP Piston Set 100mm Bore 8.21 CR Subaru EJ25 Turbo Models inc. 2006-2014 WRX 2004+ STI

RallySport Direct proudly carries a great selection of CP Pistons for those of you who need a strong and durable piston in a high-horsepower build.

Here, you are looking at the CP Piston Set. These pistons will come provided with rings and wrist pins and are designed to sustain the perils of high horsepower and high boost builds.

FEATURES:

• 100mm bore
• 8.2:1 Compression ratio
• 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