Engines and Components› Pistons and Piston Rings

CP Pistons

CP Piston & Ring Set for Subaru EJ20 WRX - Bore (92.5mm) - Size (+0.5mm) - CR (8.5) *SINGLE PISTON*

$246.29

SKU: C00A SC7400-1

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Non-Returnable Item

Description

The CP Pistons SC7400-1 is a set of four forged pistons designed for high-horsepower and high-boost builds. These pistons feature a 92.5mm bore and an 8.5:1 compression ratio. They include high-performance rings and wrist pins, and are fully CNC machined and balanced to +/- 1 gram. The deep valve relief accommodates high lift camshafts and +1mm valve sizes.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandCP Pistons
Part NumberC00A SC7400-1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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