Specialty Products 1in Open Port Carburetor Adapter Kit — Spread Bore to Square Bore

SKU: BCNJ_9130
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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 Specialty Products chrome - Archived

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

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High-Performance Carburetor Adapter

Maximize your engine's airflow with this premium 1-inch thick open port carburetor adapter. Designed to bridge the gap between spread bore intake manifolds and square bore carburetors, this kit provides a seamless transition for improved fuel atomization and power delivery. The open plenum design encourages better air distribution across all cylinders, making it an essential upgrade for performance-minded engine builds.

Kit Includes:

  • Adapter Plate: 1-inch thick open port design
  • Compatibility: Spread Bore to Square Bore conversion
  • Hardware: All necessary mounting hardware included
  • Gaskets: High-quality gaskets for a vacuum-tight seal
  • Material: Durable, heat-dissipating aluminum

This adapter is precision-machined to ensure a perfect fit, preventing vacuum leaks that can rob your engine of performance. Whether you are swapping to a modern performance carburetor or optimizing your existing setup, this kit simplifies the installation process. The natural aluminum finish provides a clean look under the hood, while the robust construction ensures it can handle the rigors of high-RPM operation. Don't let intake mismatches hold back your horsepower—get the right fitment with this reliable adapter kit from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Specialty Products chrome - Archived

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

Watch in action

High-Performance Carburetor Adapter

Maximize your engine's airflow with this premium 1-inch thick open port carburetor adapter. Designed to bridge the gap between spread bore intake manifolds and square bore carburetors, this kit provides a seamless transition for improved fuel atomization and power delivery. The open plenum design encourages better air distribution across all cylinders, making it an essential upgrade for performance-minded engine builds.

Kit Includes:

  • Adapter Plate: 1-inch thick open port design
  • Compatibility: Spread Bore to Square Bore conversion
  • Hardware: All necessary mounting hardware included
  • Gaskets: High-quality gaskets for a vacuum-tight seal
  • Material: Durable, heat-dissipating aluminum

This adapter is precision-machined to ensure a perfect fit, preventing vacuum leaks that can rob your engine of performance. Whether you are swapping to a modern performance carburetor or optimizing your existing setup, this kit simplifies the installation process. The natural aluminum finish provides a clean look under the hood, while the robust construction ensures it can handle the rigors of high-RPM operation. Don't let intake mismatches hold back your horsepower—get the right fitment with this reliable adapter kit from GGCRACING.

Product Details

Product Description

About Specialty Products chrome - Archived

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

Watch in action

High-Performance Carburetor Adapter

Maximize your engine's airflow with this premium 1-inch thick open port carburetor adapter. Designed to bridge the gap between spread bore intake manifolds and square bore carburetors, this kit provides a seamless transition for improved fuel atomization and power delivery. The open plenum design encourages better air distribution across all cylinders, making it an essential upgrade for performance-minded engine builds.

Kit Includes:

  • Adapter Plate: 1-inch thick open port design
  • Compatibility: Spread Bore to Square Bore conversion
  • Hardware: All necessary mounting hardware included
  • Gaskets: High-quality gaskets for a vacuum-tight seal
  • Material: Durable, heat-dissipating aluminum

This adapter is precision-machined to ensure a perfect fit, preventing vacuum leaks that can rob your engine of performance. Whether you are swapping to a modern performance carburetor or optimizing your existing setup, this kit simplifies the installation process. The natural aluminum finish provides a clean look under the hood, while the robust construction ensures it can handle the rigors of high-RPM operation. Don't let intake mismatches hold back your horsepower—get the right fitment with this reliable adapter kit from GGCRACING.

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