Vibrant Exhaust Manifold Flange for GM LT1/L98/LB9 SM Block (Dport) - Sold in Pairs

Exhaust Manifold Flanges for GM LT1 Small Block - D Port

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.