ICT Billet LS Throttle Body Adapter / 3 Bolt Intake to 4 Bolt TB

LS 3 Bolt Intake to 4 Bolt Throttle Body Has 75mm (see below for larger sizes) through hole, tapered to 92mm for the throttle body Works with both DBW and DBC throttle bodies Made in Wichita, KS from aerospace grade, USA billet aluminum Includes: adapter plate, bolts, and O-ring seal Natural finish aluminum as shown If running a throttle body larger than 92mm, then this will require an additional spacer sku 551517 and longer bolts. (LS3 throttle body + 551517 spacer + 551513 adapter uses M6-50mm bolts) *bolts available upon request