Description

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