A direct swap for the factory manifold on Small Block Ford engines, this header uses larger-diameter primary tubes to reduce backpressure.

Construction and Finish:

• 1 3/4 in. primary tube diameter for optimized exhaust velocity.
• 3 in. Collector, 2 1/4 in. Ball-Flare Opening for a smooth transition into the exhaust system.
• 304 Stainless Steel construction with a polished finish for durability.
• Sold as a Pair, complete with mounting hardware and gaskets for installation.