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TwinPower

Twin Power 17-Up M8 Top End Gasket Kit Replaces H-D 25700729 M8 3.937 Bore 107 CID .040 Head Gasket

$272.99

SKU: T09O 043360

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This top-end gasket kit for Harley-Davidson motorcycles is designed for Milwaukee-Eight 107 cubic inch engines from 2017 and up. It replaces Harley-Davidson part number 25700729 and includes a .040 head gasket for a 3.937 bore.

Fitment

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Specifications

BrandTwinPower
Part NumberT09O 043360

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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