This throttle body gasket is designed for 2-barrel TBI flange applications with an OE manifold and 2-inch bores. It fits Holley throttle body part numbers 502-4 through 502-8.
Specifications:
- Application: 2-Barrel TBI Flange, OE Manifold, 2" Bores
- Fits: Holley 502-4, 502-5, 502-6, 502-7, 502-8
- Material: Fiber
- Part Number: 508-11
FAQ
What throttle bodies does this gasket fit?
It fits Holley 2-barrel TBI throttle bodies with an OE manifold flange and 2-inch bores, including part numbers 502-4 through 502-8.
What is this gasket made of?
It's a fiber gasket.
Where does this gasket install?
It seals the mounting surface between the 2-barrel TBI throttle body and the intake manifold.
Is this a genuine Holley replacement part?
Yes, it's a genuine Holley service/replacement gasket.

