ApplicationCompatible for GM III LS1 LS2 LS3 LS6 LS7 LSX 102mmSpecification- Brand New Electronic Throttle Body Assembly -Short runner design -Moudle: 102MM -CNC Aluminium -Unique Cable Adapter Design, offer many ways of connecting Throttle Cable. -It fits LS Style 4 bolt intake manifold (eg LS2, LS3, LS7, LSX) with cable drive with 102mm Throttle Opening. -And also It Fits Aftermarket Intake Manifold that is Bigger than Stock Size. Otherwise a Spacer is Needed to be able to Fully Open the Butterfly.Note- Professional Installation is Highly Recommended - No Instruction Included