All Dynatech® IMCA Modified 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.
Fits Harris, Sardeson, Skyrocket, and others. 3-1/2" collector.
- Long tube design with proper range of tube lengths to deliver maximum power, but with a flatter torque curve
- Wide selection of tube diameters to match engine and track combinations
- CNC laser-machined flanges
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Standard Chevy Port