Engines and Components Engines, Blocks and Components

ATK ENGINES

CHEVY 489 MOTOR

$11,802.78

SKU: A040 HP411PC

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Description

This Chevy 489CI complete engine produces 565HP and 595 TQ. Features include a seasoned OE 4-bolt main 1pc seal Gen V 1991-1995 block, Scat nodular iron 4.250” stroke internally balanced crankshaft, Scat 4340 forged I-beam 6.385” rods with ARP 8740 bolts, forged 10.1:1 compression pistons, Moly rings, hydraulic roller camshaft, double roller timing chain, ATK HP aluminum 112cc/290cc cylinder heads, billet aluminum 1.7 roller rockers, Moroso 6qt street/strip oil pan with windage tray, Melling high volume oil pump, internal balance 8” balancer, internal balance 168 tooth flexplate/flywheel, Edelbrock performer RPM intake manifold, HEI distributor, OE long water pump, and Quick Fuel 770CFM vacuum secondaries with electric choke carburetor.

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Specifications

BrandATK ENGINES
Part NumberA040 HP411PC

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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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