All Dynatech® Dirt Late Model headers are built with CNC laser-machined flanges. With port holes accurate to .003" and total warp less than .025", you can be assured that you will get all the performance and quality possible from your headers.
American Made, Barry Wright, Bernheisel, Bullitt, Morris, Rocket, Swartz w/ 6" set back chassis with Standard SB Chevy flange.
- CNC laser-cut flanges
- Constructed to fit with proper clearance
- Optimized tube length for power
- *Crate Engine Ready
*Standard Port Chevy headers 311-1115405 are port-matched to crate engine applications.
These headers are garage sale priced because they have been discontinued from our current product line.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS