Engines and Components› Engines, Blocks and Components

ATK ENGINES

CHEVY 350 PER ALUM MID DR

$5,444.27

SKU: A040 HP89M

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Description

The ATK HP89M is a Chevy 350 Mid Dress Engine producing 390HP and 420TQ, featuring an OE roller block 4 bolt main 1pc seal for 1996-2000 applications. It includes ATK HP aluminum cylinder heads, a hydraulic roller camshaft, and a rear sump 5qt oil pan. This engine is designed for performance applications and requires specific supporting components for optimal operation.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 HP89M

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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