RWA 1312-B1 Pro Four header for production chassis. Tube size 1 1/2″ to 1 5/8″ to a 3″ collector. This is the best race header on the market. We have sold thousands of these headers over the last 25 years. We now offer this header with ceramic coating, RWA 1312-B1C
- Fits Pinto
- Fits Mustang 74-UP
- Comes with high quality header gasket
- Comes with high grade 8 black oxide bolts M10 x 22