Dougs Headers 3” Black-Coated 1.75” Mid-Length Header BBC Chevy Chevelle/El Camino 1966-1972

Dougs Headers:
D306-B

Highlights

  • Superior Performance Gains
  • Preserves Ground Clearance
  • Heavy-Duty 16-Gauge Tubing
  • Includes Hardware & Gaskets
MSRP $875.55
$795.95
You save 9%
Product Description

Dougs Headers 3” Black-Coated 1.75” Mid-Length Header for 1966-1972 Chevy Chevelles and El Caminos with a Big-Block Chevy Engine.

Boost your classic 1966-1972 Chevy Chevelle or El Camino's performance with this header (D306-B). This header promises a perfect fit with notable improvements in horsepower and torque. Ideal for vehicles opting for lowered stances where ground clearance is a major concern, this header excels in function and form. The heavy-duty tubing and primary collectors guarantee greater efficiency and durability. Everything is included for a complete installation.

Features and Benefits:
- CNC mandrel-bent tubes for precise fit and optimal flow
- Heavy-duty 16-gauge tubing ensuring long-lasting performance
- Pre-polished tubes eliminating scratches pre-coating application
- 3.0” collectors for enhanced exhaust flow
- 1.75” primary tubes guaranteeing greater efficiency
- 0.375” flange thickness for robust durability
- Inclusive hardware and gaskets for hassle-free installation

Vehicle Fitment:
- 1966-1972 Chevy Chevelle/El Caminos
- Fits big-block 396-502 Chevy engines

Please Note: Not recommended for Gen-6 502cid engines with aluminum heads.

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 & Fitment

Installation Difficulty

Moderate
Moderate

Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Chevelle years:

  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,

This product will fit the following El Camino years:

  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
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