Engines and Components› Engines, Blocks and Components

ATK ENGINES

SUBARU EA71 RIGHT HEAD

$256.12

SKU: A040 2703BR

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

Professional / shop required

Description

The ATK Engines 2703BR is a small block Ford 351W crate engine. It offers 390 horsepower and 420 lb-ft of torque. This engine features a seasoned OE roller block with a 4.040" bore and 3.500" stroke, displacing 351ci.

Key components include an OE cast 1-piece seal crankshaft, Hypereutectic pistons with Moly rings, and a hydraulic roller camshaft with 220°/224° duration and .512" lift. It also comes with a double-roller timing chain and Dart Pro 1 Aluminum cylinder heads.

Fitment

Fitment Guaranteed

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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 2703BR

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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