Allstar Performance Low Friction Screw-In Upper Ball Joint K772 +1/2in — Fits GM Metric/Custom Spindles

SKU: DNLF_ALL56811
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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.

Low Friction Screw-In Upper Ball Joint: Enhanced Geometry

The Allstar Performance Low Friction Upper Ball Joint (K772 style) is a must-have upgrade for racers running GM Metric or custom spindles. This take-apart, greasable ball joint is specifically designed to reduce friction in the steering and suspension system, allowing for smoother movement and more precise handling. The +1/2-inch extended length helps correct suspension geometry on lowered vehicles, improving camber gain and overall tire contact patch during cornering.

Advanced Features

  • Type: Screw-in upper ball joint
  • Extended Length: +0.5 inches for geometry correction
  • Design: Low friction, take-apart, and greasable
  • Taper: 1.500 in/ft
  • Hardware: Includes all necessary mounting hardware

This ball joint is built to withstand the demands of circle track racing. The adjustable design allows for fine-tuning, while the greasable housing ensures long-lasting performance even in harsh track conditions. By reducing internal friction, this ball joint allows your suspension to react faster to track irregularities, giving the driver better feedback and more confidence in the corners. Whether you are building a new chassis or performing a mid-season suspension refresh, this ball joint provides the durability and performance needed to stay ahead of the competition. Trust in the quality of Allstar Performance to keep your vehicle performing at its peak. Explore our selection of high-performance ball joints and steering components 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.

Low Friction Screw-In Upper Ball Joint: Enhanced Geometry

The Allstar Performance Low Friction Upper Ball Joint (K772 style) is a must-have upgrade for racers running GM Metric or custom spindles. This take-apart, greasable ball joint is specifically designed to reduce friction in the steering and suspension system, allowing for smoother movement and more precise handling. The +1/2-inch extended length helps correct suspension geometry on lowered vehicles, improving camber gain and overall tire contact patch during cornering.

Advanced Features

  • Type: Screw-in upper ball joint
  • Extended Length: +0.5 inches for geometry correction
  • Design: Low friction, take-apart, and greasable
  • Taper: 1.500 in/ft
  • Hardware: Includes all necessary mounting hardware

This ball joint is built to withstand the demands of circle track racing. The adjustable design allows for fine-tuning, while the greasable housing ensures long-lasting performance even in harsh track conditions. By reducing internal friction, this ball joint allows your suspension to react faster to track irregularities, giving the driver better feedback and more confidence in the corners. Whether you are building a new chassis or performing a mid-season suspension refresh, this ball joint provides the durability and performance needed to stay ahead of the competition. Trust in the quality of Allstar Performance to keep your vehicle performing at its peak. Explore our selection of high-performance ball joints and steering components 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.

Low Friction Screw-In Upper Ball Joint: Enhanced Geometry

The Allstar Performance Low Friction Upper Ball Joint (K772 style) is a must-have upgrade for racers running GM Metric or custom spindles. This take-apart, greasable ball joint is specifically designed to reduce friction in the steering and suspension system, allowing for smoother movement and more precise handling. The +1/2-inch extended length helps correct suspension geometry on lowered vehicles, improving camber gain and overall tire contact patch during cornering.

Advanced Features

  • Type: Screw-in upper ball joint
  • Extended Length: +0.5 inches for geometry correction
  • Design: Low friction, take-apart, and greasable
  • Taper: 1.500 in/ft
  • Hardware: Includes all necessary mounting hardware

This ball joint is built to withstand the demands of circle track racing. The adjustable design allows for fine-tuning, while the greasable housing ensures long-lasting performance even in harsh track conditions. By reducing internal friction, this ball joint allows your suspension to react faster to track irregularities, giving the driver better feedback and more confidence in the corners. Whether you are building a new chassis or performing a mid-season suspension refresh, this ball joint provides the durability and performance needed to stay ahead of the competition. Trust in the quality of Allstar Performance to keep your vehicle performing at its peak. Explore our selection of high-performance ball joints and steering components at GGCRACING.

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