1 5/8 in. Core Plug Block Heater, 600 Watts @ 12.5A @ 120VAC, Installs into Block's Core Plug Hole, For Most:, 1955-99 Small Block Chevy (Exc. LS1/LS6), Includes:, 4 1/2 ft. Grounded Power Cord|JEGS 1 5/8 in. Core Plug Block Heater [600 Watts @ 12.5A @ 120VAC].
