Engines and Components› Engines, Blocks and Components

SEALED POWER

6-404D OVERHAUL KIT

$1,484.94

SKU: S03T FP404DEOHK

Out of Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

This out-of-frame engine rebuild kit includes sleeves, sleeve sealing rings, pistons, piston pins & retaining clips, piston ring sets, rod bearing set, main bearing set, piston pin bushings, connecting rod capscrews, camshaft bearings, camshaft plug, full engine gasket set, front crankshaft seal, and rear crankshaft seal. All cylinder kits are 4.250\" bore and upgrade the 381 CID engine to a 404 CID engine, with no additional machine work required. All six cylinder kits must be replaced in the 381 CID engine.

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

BrandSEALED POWER
Part NumberS03T FP404DEOHK

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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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