Exhaust Valve, Severe Duty, 1.590 in Head, 0.314 in Valve Stem, 4.923 in Long, Stainless, LS3 / L99 / L92, GM LS-Series, Set of 8
Manley specializes in engine performance for everything from street to track to drag strip. Their product line-up includes valve train components, pistons, rings, connecting rods, and crank shafts for everything from late model V8�s to sport compacts.