CHEV 632 BB SHORT BLOCK

Name: CHEV 632 BB SHORT BLOCK
Brand: ATK ENGINES
SKU: A040 SP108
Price: 8625.00 USD
Availability: InStock

$8,625.00

SKU: A040 SP108

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Ships in 4–6 weeks

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Non-Returnable Item

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Moderate — 2–4 hours

Description

This is a powerful short block engine from ATK, specifically the SP108 model for Chevy applications. It features a Dart Big M Sportsman 4-bolt main 2pc rear main seal block with a bore/stroke of 4.600” x 4.750”, resulting in a displacement of 632 cubic inches. The crankshaft is a Scat 4340 forged, internally balanced unit, complemented by Scat 4340 forged H-beam rods with ARP 8740 bolts. It utilizes 2618 forged +3.4cc flat-top pistons and Plasmamoly rings.

Fitment

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Specifications

Brand	ATK ENGINES
Part Number	A040 SP108

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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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