Dougs Headers 3.5” Ceramic-Coated 1.875” Long Tube Header BBC Chevy Chevelle/El Camino 1968-1972
Highlights
- Heavy-Duty Construction
- Pre-Polished Tubing
- Increased Horsepower
- Includes Hardware

Dougs Headers 3.5” Ceramic-Coated 1.875” Long Tube Header for 1968-1972 Chevy Chevelles and El Caminos with a Big-Block Chevy Engine.
This meticulously crafted header (D316) transforms your 1968-1972 Chevelle or El Camino's exhaust system. It features 1.875" primary tubes and .375" flank thickness for a blend of form and function. The header boasts excellent durability due to its heavy-duty build. The tubes come pre-polished to prevent scratches and a cleaner final product. This exhaust improves horsepower and exhaust flow for a more efficient ride. Installation is simple with all the included hardware.
Features and Benefits:
- CNC mandrel-bent tubes for precise fit and optimal flow
- Increase horsepower and torque
- Heavy-duty 16-gauge tubing ensuring long-lasting performance
- Pre-polished tubes eliminating scratches pre-coating application
- 3.5” collectors for enhanced exhaust flow
- 1.875” primary tubes guaranteeing greater efficiency
- 0.375” flange thickness for robust durability
- Inclusive hardware and gaskets for hassle-free installation
Vehicle Fitment:
- 1968-1972 Chevy Chevelle/El Caminos
- Fits big-block 396-502 Chevy engines
Please Note: Big block frame stands and motor mounts are required for proper fit.
California Residents: Proposition 65 Warning
Related Categories: Exhaust, Restomod
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Intermediate skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Chevelle years:
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,