Description
The Schoenfeld SBC Crate Header 604 is engineered for small block Chevy engines competing in circle track racing, delivering optimized exhaust scavenging through precision tube sizing and collector design. By stepping up to a dedicated racing header—rather than relying on cast manifolds—you’ll see measurable gains in horsepower, throttle response, and overall engine efficiency. This bolt-on kit removes the guesswork from header selection for your competition build.
- Small Block Chevy compatible
- 1-5/8 inch primaries
- 3 inch collector
- Conventional crossover design
- Steel construction
- Black paint finish
- Circle track optimized
- Complete kit included
- MPN: 135CM
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