Gaskets and Seals› Engine Gaskets and Seals

TwinPower

Twin Power 84-91 Evolution Big Twin Top End Gasket Kit Replaces H-D 17033-83B 3.5 Inch Bore

$160.99

SKU: T09O 043158

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Twin Power 043158 is a top-end gasket set designed for Evolution Big Twin engines. It features a 3.5-inch bore size and replaces Harley-Davidson part number 17033-83B. This kit is ideal for top-end rebuilds and performance upgrades.

Fitment

Fitment Guaranteed

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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

BrandTwinPower
Part NumberT09O 043158

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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