1 1/2 in. Core Plug Block Heater, 600 Watts @ 12.5A @ 120VAC, Installs into Block's Core Plug Hole, Fits Most:, AMC V8, Buick V8, Ford 1966-1995 V8 Incl: W, C, M & 429, 460, Includes:, 4 1/2 ft. Grounded Power Cord|JEGS 1 1/2 in. Core Plug Block Heater [600 Watts @ 12.5A @ 120VAC].