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.
Includes: adapter plate, bolts, and O-ring seal
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)
Features- Throttle Body Bore Size:
- 75mm
- Throttle Body Adapter Material:
- Aluminum
- Throttle Body Adapter Finish:
- Natural
- Quantity:
- Sold individually.
- Notes:
- 92mm tapers to 75mm for intake. Adapts 3-bolt intake to 4-bolt throttle body. Includes new seal and bolts.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 5.7L/350
- Years:
- 1997-2004
- Intake Manifold Model:
- OEM stock