Allstar Performance Pro Series Top Plate Assembly 5.5in — Bolt-On Swivel

SKU: DNLF_ALL56078
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Pro Series Swivel Spring Top PlateThe Allstar Performance Pro Series ...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

Pro Series Swivel Spring Top Plate

The Allstar Performance Pro Series Top Plate Assembly is designed for racers who require a reliable and adjustable mounting solution for 5.5-inch outside diameter (OD) coil springs. This bolt-on, swivel-style spring cup ensures that your springs remain properly seated throughout the full range of suspension travel, preventing binding and promoting consistent handling characteristics.

Technical Specifications

  • Spring Size: Compatible with 5.5-inch OD coil springs.
  • Design: Swivel-style top plate allows for spring articulation.
  • Mounting: Bolt-on installation with 7/16-20 inch thread.
  • Material: High-strength steel with a durable cadmium finish.
  • Series: Pro Series for professional-grade reliability.

Constructed from heavy-duty steel and finished in cadmium, this top plate assembly is built to survive the harsh conditions of the track. The swivel mechanism is a critical feature, as it allows the spring to pivot slightly, reducing stress on the spring and the mounting points. This is essential for maintaining predictable suspension geometry during cornering and over uneven surfaces. Easy to install and built to last, this component is a must-have for any serious coil-over suspension setup. Whether you are building a new race car or upgrading your existing suspension, Allstar Performance provides the quality components you need to stay competitive. GGCRACING is your trusted partner for high-performance automotive parts.

Product Details

Product Description
Part Numbers
Sizing & Fit

Pro Series Swivel Spring Top Plate

The Allstar Performance Pro Series Top Plate Assembly is designed for racers who require a reliable and adjustable mounting solution for 5.5-inch outside diameter (OD) coil springs. This bolt-on, swivel-style spring cup ensures that your springs remain properly seated throughout the full range of suspension travel, preventing binding and promoting consistent handling characteristics.

Technical Specifications

  • Spring Size: Compatible with 5.5-inch OD coil springs.
  • Design: Swivel-style top plate allows for spring articulation.
  • Mounting: Bolt-on installation with 7/16-20 inch thread.
  • Material: High-strength steel with a durable cadmium finish.
  • Series: Pro Series for professional-grade reliability.

Constructed from heavy-duty steel and finished in cadmium, this top plate assembly is built to survive the harsh conditions of the track. The swivel mechanism is a critical feature, as it allows the spring to pivot slightly, reducing stress on the spring and the mounting points. This is essential for maintaining predictable suspension geometry during cornering and over uneven surfaces. Easy to install and built to last, this component is a must-have for any serious coil-over suspension setup. Whether you are building a new race car or upgrading your existing suspension, Allstar Performance provides the quality components you need to stay competitive. GGCRACING is your trusted partner for high-performance automotive parts.

Product Details

Product Description

Pro Series Swivel Spring Top Plate

The Allstar Performance Pro Series Top Plate Assembly is designed for racers who require a reliable and adjustable mounting solution for 5.5-inch outside diameter (OD) coil springs. This bolt-on, swivel-style spring cup ensures that your springs remain properly seated throughout the full range of suspension travel, preventing binding and promoting consistent handling characteristics.

Technical Specifications

  • Spring Size: Compatible with 5.5-inch OD coil springs.
  • Design: Swivel-style top plate allows for spring articulation.
  • Mounting: Bolt-on installation with 7/16-20 inch thread.
  • Material: High-strength steel with a durable cadmium finish.
  • Series: Pro Series for professional-grade reliability.

Constructed from heavy-duty steel and finished in cadmium, this top plate assembly is built to survive the harsh conditions of the track. The swivel mechanism is a critical feature, as it allows the spring to pivot slightly, reducing stress on the spring and the mounting points. This is essential for maintaining predictable suspension geometry during cornering and over uneven surfaces. Easy to install and built to last, this component is a must-have for any serious coil-over suspension setup. Whether you are building a new race car or upgrading your existing suspension, Allstar Performance provides the quality components you need to stay competitive. GGCRACING is your trusted partner for high-performance automotive parts.

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