This gasket is for downpipes with the external wastegate built into the downpipe. It seals the connection between the turbocharger exhaust housing and the downpipe..The dual-port design accommodates both the main exhaust outlet and wastegate bypass passage, ensuring smooth exhaust flow and proper boost control.
Details: • Brand new – never installed • Designed for 1986–1987 Buick Grand National, T-Type, and Turbo T applications • High-temp composite/metal material for excellent sealing and durability • Prevents exhaust leaks and helps maintain stable boost pressure
Condition: • Blue Dot – New / Excellent condition • No cracks, bends, or wear marks
✅ All sales are final. No refunds, returns, or exchanges. Items are sold as-is. Buyer is responsible for verifying compatibility with their application.
