Engines and Components Engines, Blocks and Components

ATK ENGINES

FORD 4R75E AUTO 4-SPD

$3,013.89

SKU: A040 T6631AA

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

Advanced — 4+ hours

Description

The ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP is designed for stock components, with chip burn, upgraded intake, and headers recommended for optimal performance. Power figures may vary based on user-installed parts. Component compatibility is the customer's responsibility. Some modifications may be required. ATK reserves the right to substitute parts. This engine features an OE block 4-bolt main 1pc seal (1987-1995), hypereutectic pistons with 9.1:1 compression, and OE TBI cast iron 67cc cylinder heads.

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 T6631AA

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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