Fits on the 270 horsepower 350 cubic inch small block Chev engines. The only block-mounted kit available since the Crusader kit was discontinued years ago. Kit includes a custom copper heat exchanger with Crusader rear mounting brackets, custom thermostat housing kit complete and the salt water discharge "T". You furnish the gaskets, hose (hose available at auto parts, hardware, marine and hydraulic stores, plus clamps, fittings etc. The image shows just a heat exchanger as no photo is yet available for the kit as described.