CP Piston Set 99.5mm Bore 8.2:1 CR - 2006-2014 Subaru WRX / 2004-2021 Subaru STI

The 99.5mm Bore 8.2:1 CR Forged Pistons will allow the Subaru STI to run more power and more boost.

CP Piston Set 99.5mm Bore 8.2:1 CR Subaru EJ25 Turbo

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SPECS:

• 99.5mm 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
• Picklock grooves for easy lock removal
• Pin fitting included
• Includes a full set of pistons, rings, and wrist pins

FORGED SLUGS MAKE YOUR EJ STRONGER

These are the CP Pistons that feature a 99.5 bore with an 8.2:1 compression ratio forged for extra strength to higher more power and more boost. Whether if you are building a track-dedicated race car, drag car, or a high-powered street car, the CP Forged Pistons will put your EJ on steroids to turn the boost up, or to sustain prolonged track conditions.