Engines and Components› Engines, Blocks and Components

ATK ENGINES

MAZDA FN4A AUTO 6-SPD

$2,458.34

SKU: A040 T4158AA

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Description

The ATK ENGINES T4158AA (JEGS Part No. 059-HP20) is a High Performance Crate Engine. This Small Block Ford 347 cubic inch engine delivers 415 hp and 430 ft.-lbs. of torque. It is streetable with a noticeable idle and works with power accessories. It features a seasoned OE roller block (1987-1995), Scat nodular iron crankshaft, Scat 4340 forged I-beam rods with ARP 8740 bolts, and forged pistons (10:1 compression ratio, moly rings).

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T4158AA

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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