Engines and Components Engines, Blocks and Components

ATK ENGINES

GM ALLSN 1000 AUTO 5-SPD

$5,475.78

SKU: A040 T9039AA

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Description

The ATK Engines HP36M is a high-performance crate engine for street/strip applications. This small block Chevy 383ci engine produces 435 hp and 475 lb/ft of torque. It is a mid-dress engine, including intake manifold, distributor, water pump, and harmonic balancer. Built with seasoned OE 4-bolt main 1pc seal 1996-2000 blocks. The rotating assembly features a Scat Nodular Iron crankshaft, Scat I-Beam 5.7" rods with ARP 8740 bolts, and forged pistons with moly rings (10:1 compression ratio).

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T9039AA

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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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