Freshwater cooling system for 1997 and up Volvo 7.4 454 EFI Chevrolet marine engines using serpentine belt Kit includes: heat exchanger, mounts, gaskets, thermostat, thermostat housing, hoses, hose clamps, hose fittings, & fasteners Cools block only "Off engine mount" due to fuel pump on front of engine Adds 1-1/2" to bottom of engine

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