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Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco 2 Stroke Forged Series Piston Kit, 40.00 MM Bore

$171.95 $161.48 Save $10.47

SKU: W00C PK1157

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

Advanced — 4+ hours

Description

The Wiseco PK1157 is a top-end piston kit for high-performance engines. It features a 40.00 mm bore size and is forged from a high-silicon aluminum alloy for strength and dependability. This kit contains all necessary components for rebuilding or overboring.

Dedicated forgings and additional lightening operations allow for an optimized strength-to-weight ratio. Precision machining and the highest quality materials are used for durability and enhanced performance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandWiseco
Part NumberW00C PK1157

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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