Doug's D3349: 64-67 GM A Body LS Long Tube Silver Coat

• 64-67 GM A Body LS Long Tube Silver Coat
• Finish: Metallic Ceramic Coated
• 3/8" Thick machined flanges to prevent warping

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.

For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.

• 3/8" Thick machined flanges to prevent warping


• Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower


• Heavy duty 16-gauge tubing for long life


• Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating


• Finish: Metallic Ceramic Coated


• Material: Steel


• Design: Full-Length


• Primary Tubing Diameter: 1.875-inches


• Collector Port Diameter: 3.0-inches


• Port Shape: Round


• Tube Wall Thickness: 16 Guage


• Flange Thickness: 0.375-inches


• Collector Attachment: V-Band


• Oxygen Sensor Port: Yes


• Gasket Or Seal Included: Yes


• Mounting Hardware Included: Yes


• Grade Type: Performance


• Color: Silver


• Sheen Level: Semi-Gloss

Header Fitment Note: Header applications are based on original engine and cylinder head port centerlines unless otherwise noted. Raised port cylinder heads will cause installation issues.

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