Engines and Components› Pistons and Piston Rings

CP Pistons

CP Piston & Ring Set for Acura/Honda K20A/A2/A3 - Bore (87mm) - Size (+1.0mm) - Compression Ratio (F

$766.50

SKU: C00A SC70457-4

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: SC70457-4

MIA's Description

Forged pistons designed for K20 cylinder heads and engine blocks. Includes 4 pistons, 4 wrist pins, 4 wrist pin locks, and 4 rings. Compatible with oversized valves and high lift camshafts. Features include deep valve reliefs, 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, double pin oilers, pick lock grooves, and pin fitting. Piston material is 2618 forged aluminum.

Fitment

Fitment Guaranteed

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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 SC70457-4

Videos

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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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