551513_1_1 551513_ls1_intake_throttle-adapter


In stock


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

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, Kansas from aerospace grade, USA produced, 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

Additional information

Weight .844 lbs
Dimensions 5 × 5 × .5 in