This is a great addition to the FAST LSXR 102mm Intake Manifold. Performance 102mm Electronic Throttle Body LS. This throttle body has a 4.23" OD, so you'll want to use a 4.25"coupler. For 2007-2013 GM SUVs and Trucks 5.3/6.0/6.2L Designed for LSXR intake manifolds with drive-by-wire throttle bodies only!
