SPECIFICATION: Brand New Never Used Or Installed Type: Throttle Body Color: Black Material: Aluminum 100% quality assurance tested, less expensive, easier to install. DESCRIPTION: This throttle body adapter allows you to mount a 3 bolt DBW LS throttle body to a 4 bolt LS intake. For example, an LS2 or LS3 intake manifold. FITMENT: For throttle body (up to 75mm) 2.95in For intake manifolds (up to 102mm) 4.02in Applicable Model: For LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 Does not work with 3 bolt drive by cable throttle body or LS4 intakes.