LS4 Intake Manifold to LS3 DBW Throttle Body - Adapter Plate LS 4 Bolt TB GXP
Browse LS swap throttle body adapters.
WARNING - This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.
STEEL (steel bolts): Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.
- 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)