●【Application】This throttle body adapter will allow you to install a 3-bolt DBW(drive by wire) LS throttle body onto a 4-bolt LS intake. For example, an LS2 or LS3 intake manifold. ●【Compatibility】This Ls Throttle Body Adapter Compatible with up to 75mm throttle body, compatible with intake manifolds up to 102mm. ●【Note】This Ls Throttle Body Adapter does not fit for 3-bolt DBC(drive by cable) throttle body or LS4 intakes. ●【High Quality】This throttle body Spacer made from T6 Aluminum Alloy, CNC machined, stable and robust, lightweight, long lasting. ●【Package List】1 x Adapter plate, 7 x bolts, and 1 x gasket.