Manufacturer: Manley Performance Products. Manley specializes in engine performance. Their product catalog includes valve train components, pistons, rings, connecting rods, and crank shafts. These products are available for everything from late model V8�s to sport compacts.
The Manley Performance Products BBC S/D 1.940in Exhaust Valves 11803-8 would be best suited for high-performance engine overhauls or upgrades, providing an upgrade in engine responsiveness and power output.
