Holley 300-232BK Hi-Ram Manifold Top - 1 x 105mm Throttle Valve - GM LS - Black1 x 105mm GM LS Throttle Valve Top Only Black Coating Bolt up through design (Threaded mounting holes in lid) Part Number: 300 232BK 1 x 105mm GM LS Throttle Valve Top Only Bolt up through design (Threaded mounting holes in lid) Black finish Features and Benefits Black ceramic coating: provides heat resistance, corrosion protection, and a sleek appearance Single Dual Plane 1 x 105mm Throttle Valve Hi Ram Manifold Top These parts should be used for the