Engines and Components› Engines, Blocks and Components

ATK ENGINES

MAZDA FN4A AUTO 6-SPD

$2,458.34

SKU: A040 T4155AA

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Description

The ATK ENGINES T4155AA, also known as HP94CPOL, is a 383 cubic inch stroker complete engine rated at 415 horsepower and 460 lb-ft of torque. It features an OE roller block (1996-2000, 4-bolt main, 1pc seal), Scat Nodular Iron crankshaft, Scat I Beam 5.7” rods with ARP 8740 bolts, and hypereutectic pistons for a 9.7:1 compression ratio.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T4155AA

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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