SBC Modified Header Long Tube Crate 1-5/8inx1-3/4

The SBC Modified Header Long Tube Crate 1-5/8inx1-3/4 from Schoenfeld is designed for serious small-block Chevrolet builders who are looking to enhance exhaust scavenging and power output. This long-tube header configuration is ideal for both naturally aspirated and forced-induction SBC platforms, providing superior performance compared to conventional shorty headers.

Featuring a primary tube diameter of 1-5/8 inches that steps up to a 1-3/4-inch collector outlet, this design optimizes pulse scavenging across the RPM range while minimizing backpressure. The long-tube construction allows for unrestricted routing of primary tubes, which is essential for balanced cylinder charging and consistent power delivery. The mandrel-bent construction ensures smooth bends that maintain flow velocity and reduce turbulence.

These headers are particularly beneficial for street rods, race cars, and restomod builds where engine bay layout allows for the extended runner length. Weighing 35.3 lbs, they are robust yet manageable for installation, making them a great choice for performance enthusiasts and professional builders alike.