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CP Piston Set 99.5mm Bore 10:1 CR - Fits Subaru STI 2004-2017 - WRX 2006-2014 - More

CP Piston Set 99.5mm Bore 10:1 CR - Fits Subaru STI 2004-2017 - WRX 2006-2014 - More

SKU: CP-SC7415
Regular price $687.75 USD
Regular price Sale price $687.75 USD
Sale Sold out

CP has built a reputation of high-end quality pistons, build to perform and out last; especially in the Powersport and sport compact markets. They are recognized as a technological leader in piston design and development in all venues of motorsports with a focus on providing industry-leading products and performance while maintaining the highest level of customer service.

CP Subaru pistons are available standard or oversized. They are compatible with oversize valves, higher lift cams, and high-performance rings. CP pistons represent the highest quality and are engineered for maximum power. 


  • 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
Anti-Friction Coating: No
Bore Size: 99.5mm
Compression Ratio: 10.0:1
Head Alteration Required: No
Machining Required: No
Material: Forged
Piston Rings Included: Yes
QTY: 4
Wrist Pin Clips: No
Wrist Pins Included: Yes
Mfgr. Warranty: No Warranty
Return Policy: Standard
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