Engines and Components› Engines, Blocks and Components

ATK ENGINES

CUMMINS ISB13 DROP-IN

$18,836.12

SKU: A040 HMQ5

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
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Advanced — 4+ hours

Description

This is a 383 cubic inch stroker base engine from ATK, designed for 1987-1995 Chevy Trucks and SUVs that originally came with a 350 TBI engine. It requires a performance chip for the ECM and is not suitable for EFI or pollution-controlled vehicles. This engine offers 320 HP and 395 TQ.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 HMQ5

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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