Allstar Performance Base Plate 1/2in Aluminum Restrictor Plate — Universal Carburetor Spacer

SKU: DNLF_ALL26180
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...Read More

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Sale price$76.99
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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 Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Airflow Management

Optimize your engine's performance with the Allstar Performance 1/2in Adjustable Base Plate. Designed for serious racers and automotive enthusiasts, this high-quality restrictor plate is engineered to provide consistent airflow and fuel distribution. Crafted from durable, lightweight aluminum, this 4-hole square bore spacer is built to withstand the rigors of high-performance driving environments.

Key Features and Benefits

  • Durable Construction: Manufactured from premium-grade aluminum for maximum heat dissipation and longevity.
  • Optimized Design: 1/2-inch thickness provides the ideal spacing for improved torque and throttle response.
  • Universal Compatibility: Designed for standard square bore carburetor configurations.
  • Natural Finish: Corrosion-resistant natural aluminum finish ensures a clean look under the hood.

Whether you are fine-tuning your drag car or upgrading your street machine, this base plate offers the reliability you demand. The precision-machined holes ensure minimal turbulence, allowing your engine to breathe more efficiently and produce more power throughout the RPM range. Installation is straightforward, making it a perfect addition to any fuel system upgrade project. Trust your engine components to the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Airflow Management

Optimize your engine's performance with the Allstar Performance 1/2in Adjustable Base Plate. Designed for serious racers and automotive enthusiasts, this high-quality restrictor plate is engineered to provide consistent airflow and fuel distribution. Crafted from durable, lightweight aluminum, this 4-hole square bore spacer is built to withstand the rigors of high-performance driving environments.

Key Features and Benefits

  • Durable Construction: Manufactured from premium-grade aluminum for maximum heat dissipation and longevity.
  • Optimized Design: 1/2-inch thickness provides the ideal spacing for improved torque and throttle response.
  • Universal Compatibility: Designed for standard square bore carburetor configurations.
  • Natural Finish: Corrosion-resistant natural aluminum finish ensures a clean look under the hood.

Whether you are fine-tuning your drag car or upgrading your street machine, this base plate offers the reliability you demand. The precision-machined holes ensure minimal turbulence, allowing your engine to breathe more efficiently and produce more power throughout the RPM range. Installation is straightforward, making it a perfect addition to any fuel system upgrade project. Trust your engine components to the experts at GGCRACING.

Product Details

Product Description

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Airflow Management

Optimize your engine's performance with the Allstar Performance 1/2in Adjustable Base Plate. Designed for serious racers and automotive enthusiasts, this high-quality restrictor plate is engineered to provide consistent airflow and fuel distribution. Crafted from durable, lightweight aluminum, this 4-hole square bore spacer is built to withstand the rigors of high-performance driving environments.

Key Features and Benefits

  • Durable Construction: Manufactured from premium-grade aluminum for maximum heat dissipation and longevity.
  • Optimized Design: 1/2-inch thickness provides the ideal spacing for improved torque and throttle response.
  • Universal Compatibility: Designed for standard square bore carburetor configurations.
  • Natural Finish: Corrosion-resistant natural aluminum finish ensures a clean look under the hood.

Whether you are fine-tuning your drag car or upgrading your street machine, this base plate offers the reliability you demand. The precision-machined holes ensure minimal turbulence, allowing your engine to breathe more efficiently and produce more power throughout the RPM range. Installation is straightforward, making it a perfect addition to any fuel system upgrade project. Trust your engine components to the experts at GGCRACING.

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