Match ported inlet manifolds for IDF/DRLA carburettors Specifically designed for Scat D-Port cylinder heads Pair of manifolds for improved air/fuel flow Ideal for enhancing performance and efficiency These match ported inlet manifolds are designed to fit IDF/DRLA carburettors and are specifically made for Scat D-Port cylinder heads. By optimising the air/fuel flow, these manifolds enhance engine performance, making them a perfect upgrade for performance builds or restorations. Sold as a pair, these manifolds improve overall efficiency and throttle response, ensuring smoother power delivery and better fuel atomization.