Hedman Hedders Small Block Chevy 1.625in Primary Headers — Fits 1955-1957 Chevy Fullsize

SKU: FBLG_68120
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About Hedman Hedders Hedman Hedders engineers high-quality automotive parts and ...Read More

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Sale price$364.99
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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

About Hedman Hedders

Hedman Hedders engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hedman Hedders lineup with fast shipping and expert fitment support — order with confidence.

Unlock Power for Your Classic Chevy

Transform the performance of your 1955-1957 Chevy fullsize car with these premium Hedman Hedders. Engineered specifically for small block Chevy engines, these headers are designed to maximize exhaust scavenging, providing a noticeable boost in horsepower and torque across the RPM range. Built from high-quality steel and finished in a durable black paint, they offer both longevity and a clean, classic look under your hood.

Technical Specifications

  • Primary Tube Diameter: 1.625 inches
  • Collector Diameter: 3 inches
  • Material: Heavy-duty steel
  • Finish: Heat-resistant black paint
  • Fitment: 1955-1957 Chevy Fullsize
  • Includes: High-quality gaskets and mounting hardware

These headers are the perfect street-performance upgrade for enthusiasts looking to improve throttle response and engine efficiency. The mandrel-bent tubes ensure smooth exhaust flow, reducing backpressure and allowing your small block to breathe freely. Whether you are restoring a classic or building a street machine, these headers provide the ideal balance of fit, function, and value. Installation is straightforward with the included hardware, making it a great weekend project for any DIY mechanic. Experience the difference in power and sound with top-tier exhaust components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Hedman Hedders

Hedman Hedders engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hedman Hedders lineup with fast shipping and expert fitment support — order with confidence.

Unlock Power for Your Classic Chevy

Transform the performance of your 1955-1957 Chevy fullsize car with these premium Hedman Hedders. Engineered specifically for small block Chevy engines, these headers are designed to maximize exhaust scavenging, providing a noticeable boost in horsepower and torque across the RPM range. Built from high-quality steel and finished in a durable black paint, they offer both longevity and a clean, classic look under your hood.

Technical Specifications

  • Primary Tube Diameter: 1.625 inches
  • Collector Diameter: 3 inches
  • Material: Heavy-duty steel
  • Finish: Heat-resistant black paint
  • Fitment: 1955-1957 Chevy Fullsize
  • Includes: High-quality gaskets and mounting hardware

These headers are the perfect street-performance upgrade for enthusiasts looking to improve throttle response and engine efficiency. The mandrel-bent tubes ensure smooth exhaust flow, reducing backpressure and allowing your small block to breathe freely. Whether you are restoring a classic or building a street machine, these headers provide the ideal balance of fit, function, and value. Installation is straightforward with the included hardware, making it a great weekend project for any DIY mechanic. Experience the difference in power and sound with top-tier exhaust components from GGCRACING.

Product Details

Product Description

About Hedman Hedders

Hedman Hedders engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hedman Hedders lineup with fast shipping and expert fitment support — order with confidence.

Unlock Power for Your Classic Chevy

Transform the performance of your 1955-1957 Chevy fullsize car with these premium Hedman Hedders. Engineered specifically for small block Chevy engines, these headers are designed to maximize exhaust scavenging, providing a noticeable boost in horsepower and torque across the RPM range. Built from high-quality steel and finished in a durable black paint, they offer both longevity and a clean, classic look under your hood.

Technical Specifications

  • Primary Tube Diameter: 1.625 inches
  • Collector Diameter: 3 inches
  • Material: Heavy-duty steel
  • Finish: Heat-resistant black paint
  • Fitment: 1955-1957 Chevy Fullsize
  • Includes: High-quality gaskets and mounting hardware

These headers are the perfect street-performance upgrade for enthusiasts looking to improve throttle response and engine efficiency. The mandrel-bent tubes ensure smooth exhaust flow, reducing backpressure and allowing your small block to breathe freely. Whether you are restoring a classic or building a street machine, these headers provide the ideal balance of fit, function, and value. Installation is straightforward with the included hardware, making it a great weekend project for any DIY mechanic. Experience the difference in power and sound with top-tier exhaust components from GGCRACING.

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