Adapts a 3-bolt, LS-style throttle body to a 4-bolt LS intake manifold.
This adapter does not include the gasket for the intake side. If you're using this on a TBSS/NNBS intake, you can add the correct gasket using this link.
This adapter is commonly used when performing the TBSS intake swap on 99-07 GM trucks and will allow you to adapter your existing throttle body to the 4-bolt style intake.
- Has 75mm throttle body through-hole
- Compatible with intake manifolds up to 92mm
- Does not work LS4 intakes
- Natural finish aluminum as shown, includes bolts and gasket