Engines and Components› Engines, Blocks and Components

ATK ENGINES

CHEV 540 HI-PO DART S/B

$8,791.67

SKU: A040 SP44

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Description

The ATK SP44 is a Chevy 540CI Short Block with -10cc Dome Pistons. It features a Dart Big M Sportsman block, 4.500” x 4.250” bore/stroke, Manley 4340 forged internally balanced crankshaft, Manley 4340 forged H beam rods with ARP 8740 bolts, and 2618 Forged +10cc dome pistons. Compression ratios vary from 10.2:1 to 10.9:1 depending on cylinder head volume.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 SP44

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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