This GM intake plenum is an authentic factory part for 1986–1987 Buick Grand National, Turbo T, and T-Type 3.8L turbocharged engines. This plenum is a must-have for restorers and collectors looking for a clean, unmodified OEM component.
Details: • Fits: 1986–1987 Turbo Buick 3.8L SFI engines • Factory cast aluminum construction — not an aftermarket reproduction • Precision-milled internal runners for balanced airflow distribution • Fin-style exterior for heat dissipation and period-correct appearance • Ideal for concours-level restorations or OEM+ performance builds
Condition: • 💎 Diamond OEM – • Exceptionally clean inside and out • Light shelf wear only from long-term storage
✅ All sales are final. No refunds, returns, or exchanges. Items are sold as-is. Buyer is responsible for verifying compatibility with their application.
