Mercruiser 63107A1, 63107A2, 63107A3, GM (Chevy) 454 cu.in. Big Block engines with Log style (End Exhaust) exhaust manifolds. Front mounted (mounts over engine water circulating pump), cools engine block and exhaust manifolds.
Made with pride by Lenco, in Long Island, NY. Call us at (631) 842-4049.