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1977 Gmc K15 454 V8 Engine

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The Gen IV 454ci GM V-8 incorporates an Offroad Design high-clearance engine crossmember and is equipped with propane injection; Summit Racing headers; HEI distributor; and a dual-core aluminum radiator. Behind the V-8 is a NorCal Transmission-built Turbo 400 that’s fitted with a manual valvebody, HD clutches, and a Flex-a-lite cooler.