Vibrant · New
Vibrant Exhaust Manifold Flange for GM LT1/L98/LB9 SM Block (Dport) - Sold in Pairs
MPN 14331D · Store SKU vib14331D
Supplier stock checked 11/7/2026, 12:49:18 PM UTC. Adding a part does not reserve it.
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Product details
Vibrant Performance has developed one of the largest offerings of Exhaust Manifold Flanges in the industry. All of our Exhaust Manifold Flanges have had their exhaust port size optimized for either standard wall round tubing or Schedule 10 weld fittings. Exhaust Manifold Flanges for GM LT1 Small Block - D Port
Manufacturer fitment & guides
Check 14331D against the manufacturer’s application information below.