SBC Crate Modified Headers Long Primaries

The Schoenfeld SBC Crate Modified Headers Long Primaries are high-performance exhaust manifolds designed specifically for small-block Chevrolet engines in modified racing setups. These headers are essential for serious engine builders and racers looking to maximize horsepower and efficiency in both crate motors and street performance applications.

Featuring a long primary tube design, these headers enhance exhaust flow and promote better low-to-mid range torque development. The extended runner length allows for optimal exhaust pulse travel, improving scavenging cycles at the RPM ranges typical of racing engines. Schoenfeld's commitment to precision manufacturing ensures consistent wall thickness and port matching, which minimizes turbulence and maximizes volumetric efficiency.

Ideal for bracket racers and performance enthusiasts, these headers are perfect for small-block Chevy crate engines used in competitive racing or spirited street driving. Proper installation requires careful attention to chassis clearance due to the longer primary tubes, ensuring that these headers can perform at their best in any racing environment.