Engines and Components› Engines, Blocks and Components

ATK ENGINES

NISS FWD CVT TRANS

$6,569.45

SKU: A040 T163450

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Special Order
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INSTALL DIFFICULTY
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Description

High-performance Chevy 350ci (5.7L) small block crate engine. Produces 345 HP and 400 ft-lbs TQ. Features an OE block (4-bolt main, 1-piece seal, 1987-2000 casting), hypereutectic pistons (9.1:1 compression), hydraulic roller camshaft, double roller timing chain, and ATK cast iron cylinder heads. Includes a 24-month/unlimited mile warranty. This is a base engine; additional components are required for a complete running unit.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T163450

Videos

ATK review

ATK review
ARE A.T.K. ENGINES AND HEADS ANY GOOD? EVEN MORE GRIEF FROM JEGGS

ARE A.T.K. ENGINES AND HEADS ANY GOOD? EVEN MORE GRIEF FROM JEGGS

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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