SBC 180D C/O Headers 1-3/4

The Schoenfeld SBC 180D C/O Headers 1-3/4 are purpose-built exhaust manifolds engineered specifically for small-block Chevrolet engines seeking maximum scavenging efficiency and power gains. These headers are designed for serious engine builders and performance enthusiasts who demand improved exhaust gas flow and reduced back-pressure. The 180-degree design paired with a 1-3/4-inch primary tube diameter represents the optimal compromise between flow capacity and manifold packaging for street, strip, and bracket-racing applications.

Constructed from ductile iron, these headers feature a 180-degree primary tube arrangement that optimizes cylinder scavenging by separating exhaust pulses from adjacent cylinders during the overlap period. The 1-3/4-inch primary diameter provides the ideal tube size for small-block Chevrolet displacement ranges, balancing peak torque production with broad RPM band responsiveness. The C/O (collector outlet) configuration allows flexible secondary piping integration, accommodating both single and dual exhaust system layouts depending on your specific build requirements and vehicle platform.

These headers excel in applications ranging from naturally aspirated performance engines to forced-induction small-block builds where consistent, repeatable exhaust scavenging directly influences horsepower production. Weighing 35.1 pounds, the compact 20.25 x 13.5 x 33.5-inch footprint fits most engine compartments without excessive cutting or fabrication. Whether you're building a street machine or a dedicated race car, these headers are designed to meet the demands of high-performance applications.