Engines and Components› Engines, Blocks and Components

ATK ENGINES

CHEVY 383 ENG 380HP BASE

$6,175.43

SKU: A040 HP96

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This is a Chevy 383 Stroker Marine Base Engine from ATK, producing 380 horsepower. It features an OE roller block, Scat crankshaft and I-beam rods, hypereutectic pistons, and ATK HP aluminum cylinder heads. Recommended components include an internally balanced balancer, dual plane intake manifold, marine grade carburetor, and specific spark plugs.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandATK ENGINES
Part NumberA040 HP96

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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