Description
If you’re running Small Block Chevy power in IMCA Modified competition, header design directly impacts exhaust scavenging and top-end power delivery. The Schoenfeld SBC Modified Header delivers optimized primary and collector sizing specifically engineered for circle track applications where every horsepower counts. This bolt-on kit eliminates guesswork and gets you focused on setup and driver development instead of fabrication.
- 1-3/4 in primary tubes
- 3-1/2 in collector diameter
- Steel construction
- Black paint finish
- Small Block Chevy compatible
- IMCA Modified spec
- Complete kit included
- Bolt-on installation






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