Description
1964-77 CHEV SB 1 3/4 X 3 INCH COLLECTOR FULL LENGTH HEADERS CHEVELLES IMPALA ETC
- 3/8″ Thick machined flanges…no warping
- CNC mandrel bent tubes… accurate fit & better flow
- Precision formed long transition collectors and long tube design… reduces backpressure and increases higher RPM horsepower
- Heavy 16 gauge tubing…longer life
- Tubes are pre-polished to remove scratches and the header is finished with a Hi-Temp Black Coating
