Features: 1?Applicable Model: LS drive by wire throttle body adapter fits for LS2 LS3 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG L98 L9H L20 L94 LZ1 L99 L96 LC8 L77. 2?Compatible Size: Manifold throttle body spacer is compatible with up to 75mm / 2.95in throttle body, compatible with intake manifolds up to 102mm / 4.02in. 3?Function: 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. 4?Aluminum Construction: LS throttle body adapter is constructed of aluminum material, high strength and hardness structure, not easy to rust, bend or deform. 5?Easy Operation: Including mounting hardware and gasket, LS drive by wire throttle body spacer is easy to install, will not damage the original accessories.Item Type: Throttle Body AdapterMaterial: AluminumOE: 551567Fitment:Compatible with throttle body up to 75mm / 2.95inCompatible with intake manifold up to 102mm / 4.02inApplicable Model: for LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG L98 L9H L20 L94 LZ1 L99 L96 LC8 L77Does not work with 3 bolt drive by cable throttle body or LS4 intakes1 xThrottle&nbspBody&nbspAdapter1 x Gasket7 x Screw