The Holley 508-39 is a set of replacement port flange O-rings for LS7 applications. Holley's data for this part is limited to the part name and platform, so confirm fit with the intake before ordering.
Specifications:
- Brand: Holley
- Product Type: Intake Manifold Port Flange O-Rings
- Engine Platform: LS7
- Part Number: 508-39
FAQ
What is the Holley 508-39?
It is a set of replacement port flange O-rings from Holley.
What engine is it for?
Holley lists it for LS7 applications.
Is it sold as a replacement part?
Yes. Holley lists it as a replacement port flange O-ring set.

