This is a 402 CI LT1 drag race engine going in an Impala SS. It features a GM block with billet mains, Callies crank, Manley Pro I rods, Diamond pistons, AFR 220 cnc heads, custom solid roller cam 258/266 @ .050" .640/.640 108 lobe sep, and a Hogan custom intake with up to a 400 shot of nitrous. We also coated the chambers, valves, exhaust ports, and pistons. Naturally aspirated it did 603hp @6500rpm and 551ft/lbs @5300rpm.
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