Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Acura K20 K24 FLAT TOP 1.181X86MM Piston Shelf Stock

$196.99

SKU: W00C 6631M86

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wiseco 6631M86 is a high-performance piston designed for sport compact applications. It is engineered, forged, and machined in the U.S.A. at Wiseco's manufacturing facility.

This piston is constructed from a 2618 aerospace alloy, offering superior strength for demanding applications. It features ArmorGlide® skirt coating for reduced friction and quieter operation, along with a fully machined crown and precision ring grooves. The dome volume is -3.4cc, contributing to a compression ratio of 9.8:1.

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

BrandWiseco
Part NumberW00C 6631M86

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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