Doug's Headers D306 Shorty Headers - 1.75 in. Primary - Metallic Ceramic Coated — Fits Big Block Chevy

SKU: BKLK_D306
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Doug's Headers D306: Compact Power for Big Block Chevy Optimize ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Doug's Headers D306: Compact Power for Big Block Chevy

Optimize your Big Block Chevy's exhaust system with the Doug's Headers D306 Shorty Headers. These compact yet powerful headers are designed to deliver significant performance improvements while offering easier installation and better clearance in various applications. Crafted from durable steel and finished with a high-performance metallic ceramic coating, they provide excellent heat resistance and corrosion protection.

Key Features:

  • Engine Fitment: Big Block Chevy (BBC)
  • Primary Tube Diameter: 1.75 inches
  • Collector Diameter: 3 inches
  • Material: Steel
  • Coating: Metallic Ceramic
  • Design: Shorty
  • Application: Various
  • Includes: Kit

The D306 Shorty Headers feature 1.75-inch primary tubes, a size suitable for a wide range of Big Block Chevy engine configurations, focusing on improving mid-range torque and horsepower. The 3-inch collector aids in efficient exhaust gas expulsion. Their shorty design makes them an excellent choice for applications where space is limited or when retaining stock-style exhaust routing is desired. Despite their compact size, these headers are engineered to enhance exhaust flow compared to stock manifolds, leading to better engine breathing and noticeable performance gains. The metallic ceramic coating ensures durability and resistance to the high temperatures found in the engine bay. Upgrade your Big Block Chevy's exhaust with these efficient and reliable shorty headers from Doug's Headers at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Doug's Headers D306: Compact Power for Big Block Chevy

Optimize your Big Block Chevy's exhaust system with the Doug's Headers D306 Shorty Headers. These compact yet powerful headers are designed to deliver significant performance improvements while offering easier installation and better clearance in various applications. Crafted from durable steel and finished with a high-performance metallic ceramic coating, they provide excellent heat resistance and corrosion protection.

Key Features:

  • Engine Fitment: Big Block Chevy (BBC)
  • Primary Tube Diameter: 1.75 inches
  • Collector Diameter: 3 inches
  • Material: Steel
  • Coating: Metallic Ceramic
  • Design: Shorty
  • Application: Various
  • Includes: Kit

The D306 Shorty Headers feature 1.75-inch primary tubes, a size suitable for a wide range of Big Block Chevy engine configurations, focusing on improving mid-range torque and horsepower. The 3-inch collector aids in efficient exhaust gas expulsion. Their shorty design makes them an excellent choice for applications where space is limited or when retaining stock-style exhaust routing is desired. Despite their compact size, these headers are engineered to enhance exhaust flow compared to stock manifolds, leading to better engine breathing and noticeable performance gains. The metallic ceramic coating ensures durability and resistance to the high temperatures found in the engine bay. Upgrade your Big Block Chevy's exhaust with these efficient and reliable shorty headers from Doug's Headers at GGCRACING.

Product Details

Product Description

Doug's Headers D306: Compact Power for Big Block Chevy

Optimize your Big Block Chevy's exhaust system with the Doug's Headers D306 Shorty Headers. These compact yet powerful headers are designed to deliver significant performance improvements while offering easier installation and better clearance in various applications. Crafted from durable steel and finished with a high-performance metallic ceramic coating, they provide excellent heat resistance and corrosion protection.

Key Features:

  • Engine Fitment: Big Block Chevy (BBC)
  • Primary Tube Diameter: 1.75 inches
  • Collector Diameter: 3 inches
  • Material: Steel
  • Coating: Metallic Ceramic
  • Design: Shorty
  • Application: Various
  • Includes: Kit

The D306 Shorty Headers feature 1.75-inch primary tubes, a size suitable for a wide range of Big Block Chevy engine configurations, focusing on improving mid-range torque and horsepower. The 3-inch collector aids in efficient exhaust gas expulsion. Their shorty design makes them an excellent choice for applications where space is limited or when retaining stock-style exhaust routing is desired. Despite their compact size, these headers are engineered to enhance exhaust flow compared to stock manifolds, leading to better engine breathing and noticeable performance gains. The metallic ceramic coating ensures durability and resistance to the high temperatures found in the engine bay. Upgrade your Big Block Chevy's exhaust with these efficient and reliable shorty headers from Doug's Headers at GGCRACING.

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