Description
Schoenfeld’s 135H Crossover Headers are engineered to maximize exhaust scavenging and boost horsepower on small block Chevy engines. The 1-5/8 inch primary tubes and 3 inch collector work together to optimize exhaust gas velocity, translating directly to measurable power gains on the dyno. If you’re serious about track performance, these headers deliver the airflow efficiency that separates competitive builds from the rest.
- 1-5/8″ primary tubes
- 3″ collector outlet
- Conventional crossover design
- Steel construction
- Black powder coat finish
- Small block Chevy fitment
- MPN: 135H






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