LS4 Intake Manifold to LS3 DBW Throttle Body - Adapter Plate LS 4 Bolt TB GXP

LS4 Intake Manifold to LS 4 Bolt Throttle Body

Has 75mm (see below for larger sizes) through hole, tapered to 92mm 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 gasket
• LS4 engines are only found in 2005-08 Pontiac GXP, 2006-07 Monte Carlo SS, 2006-09Impala SS, and 2008-09 Buick Lacrosse Super

If running a throttle body larger than 92mm, then this will require an additional adapter # 551571 and 50mm M6 bolts (available upon request)