Allstar Performance 8in Power Brake Booster Dual Diaphragm — Fits 1955-64 GM

SKU: DNLF_ALL41009
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...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

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.

Upgrade Your Classic GM Braking System

Experience superior stopping power with the Allstar Performance 8-inch Power Brake Booster. Designed specifically for 1955-1964 GM vehicles, this dual-diaphragm booster provides the extra assistance needed to bring your classic car to a safe and controlled stop. It is the perfect solution for those who have upgraded to disc brakes or simply want a more responsive pedal feel.

Technical Specifications

  • Size: 8-inch diameter for a compact footprint that fits tight engine bays.
  • Design: Dual diaphragm construction provides significantly more boost than single-diaphragm units.
  • Finish: Cadmium plated for a classic look and excellent corrosion resistance.
  • Compatibility: Direct fitment for 1955-1964 Chevy and GM classic platforms.

The compact 8-inch design is ideal for classic cars that may have limited space due to large valve covers or other engine modifications. By using a dual-diaphragm setup, this booster delivers maximum force with less pedal effort, making your classic car much more enjoyable to drive in modern traffic. The cadmium finish provides a period-correct appearance while ensuring the unit stands up to the elements under the hood. When restoring or modifying your vintage GM vehicle, don't compromise on safety. Choose high-quality components that are built to perform. Find the best selection of classic car brake upgrades right here 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.

Upgrade Your Classic GM Braking System

Experience superior stopping power with the Allstar Performance 8-inch Power Brake Booster. Designed specifically for 1955-1964 GM vehicles, this dual-diaphragm booster provides the extra assistance needed to bring your classic car to a safe and controlled stop. It is the perfect solution for those who have upgraded to disc brakes or simply want a more responsive pedal feel.

Technical Specifications

  • Size: 8-inch diameter for a compact footprint that fits tight engine bays.
  • Design: Dual diaphragm construction provides significantly more boost than single-diaphragm units.
  • Finish: Cadmium plated for a classic look and excellent corrosion resistance.
  • Compatibility: Direct fitment for 1955-1964 Chevy and GM classic platforms.

The compact 8-inch design is ideal for classic cars that may have limited space due to large valve covers or other engine modifications. By using a dual-diaphragm setup, this booster delivers maximum force with less pedal effort, making your classic car much more enjoyable to drive in modern traffic. The cadmium finish provides a period-correct appearance while ensuring the unit stands up to the elements under the hood. When restoring or modifying your vintage GM vehicle, don't compromise on safety. Choose high-quality components that are built to perform. Find the best selection of classic car brake upgrades right here 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.

Upgrade Your Classic GM Braking System

Experience superior stopping power with the Allstar Performance 8-inch Power Brake Booster. Designed specifically for 1955-1964 GM vehicles, this dual-diaphragm booster provides the extra assistance needed to bring your classic car to a safe and controlled stop. It is the perfect solution for those who have upgraded to disc brakes or simply want a more responsive pedal feel.

Technical Specifications

  • Size: 8-inch diameter for a compact footprint that fits tight engine bays.
  • Design: Dual diaphragm construction provides significantly more boost than single-diaphragm units.
  • Finish: Cadmium plated for a classic look and excellent corrosion resistance.
  • Compatibility: Direct fitment for 1955-1964 Chevy and GM classic platforms.

The compact 8-inch design is ideal for classic cars that may have limited space due to large valve covers or other engine modifications. By using a dual-diaphragm setup, this booster delivers maximum force with less pedal effort, making your classic car much more enjoyable to drive in modern traffic. The cadmium finish provides a period-correct appearance while ensuring the unit stands up to the elements under the hood. When restoring or modifying your vintage GM vehicle, don't compromise on safety. Choose high-quality components that are built to perform. Find the best selection of classic car brake upgrades right here at GGCRACING.

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