UMI Performance 70-81 GM F-Body Rear Leaf Springs 2in Lowering Kit - Poly

SKU: UMI262025
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UMI Performance 2" Lowering Rear Leaf Springs & Polyurethane Shackle ...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

UMI Performance 2" Lowering Rear Leaf Springs & Polyurethane Shackle Kit for 1970-1981 GM F-Body

Complete your classic muscle car's rear suspension upgrade with the UMI Performance 2" Lowering Rear Leaf Springs and Polyurethane Shackle Kit package. This combination is designed to provide a sleek, lowered stance for your 1970-1981 Chevrolet Camaro or Pontiac Firebird while enhancing overall handling and durability. The leaf springs themselves, crafted from high-quality US steel, lower the vehicle by approximately 2 to 2.5 inches, giving it an aggressive, road-hugging profile.

Kit Features & Advantages:

  • Complete Lowering Solution: Includes both the 2" lowering leaf springs and the necessary polyurethane shackle kit for a comprehensive upgrade.
  • Optimized Stance: Achieves a desirable 2"-2.5" rear drop for improved aesthetics.
  • Enhanced Durability: Features robust leaf springs made from premium US Steel and durable polyurethane bushings.
  • Superior Handling: Polyurethane bushings minimize deflection, leading to more responsive suspension action and better road feel.
  • Easy Installation: Designed for direct bolt-in fitment into stock locations, simplifying the upgrade process.
  • Comprehensive Kit: The shackle kit includes bushings for both the leaf spring and chassis sides, along with Grade 8 hardware and laser-cut shackles.

This kit is ideal for enthusiasts looking to significantly improve their F-Body's appearance and performance. The polyurethane bushings in the shackle kit offer a noticeable improvement in suspension responsiveness over stock rubber components, ensuring that your upgraded leaf springs perform at their best. Whether you're aiming for show-winning looks or track-ready performance, this UMI Performance package delivers. Upgrade your classic F-Body today with parts from GGCRACING!

Product Details

Product Description
Part Numbers
Sizing & Fit

UMI Performance 2" Lowering Rear Leaf Springs & Polyurethane Shackle Kit for 1970-1981 GM F-Body

Complete your classic muscle car's rear suspension upgrade with the UMI Performance 2" Lowering Rear Leaf Springs and Polyurethane Shackle Kit package. This combination is designed to provide a sleek, lowered stance for your 1970-1981 Chevrolet Camaro or Pontiac Firebird while enhancing overall handling and durability. The leaf springs themselves, crafted from high-quality US steel, lower the vehicle by approximately 2 to 2.5 inches, giving it an aggressive, road-hugging profile.

Kit Features & Advantages:

  • Complete Lowering Solution: Includes both the 2" lowering leaf springs and the necessary polyurethane shackle kit for a comprehensive upgrade.
  • Optimized Stance: Achieves a desirable 2"-2.5" rear drop for improved aesthetics.
  • Enhanced Durability: Features robust leaf springs made from premium US Steel and durable polyurethane bushings.
  • Superior Handling: Polyurethane bushings minimize deflection, leading to more responsive suspension action and better road feel.
  • Easy Installation: Designed for direct bolt-in fitment into stock locations, simplifying the upgrade process.
  • Comprehensive Kit: The shackle kit includes bushings for both the leaf spring and chassis sides, along with Grade 8 hardware and laser-cut shackles.

This kit is ideal for enthusiasts looking to significantly improve their F-Body's appearance and performance. The polyurethane bushings in the shackle kit offer a noticeable improvement in suspension responsiveness over stock rubber components, ensuring that your upgraded leaf springs perform at their best. Whether you're aiming for show-winning looks or track-ready performance, this UMI Performance package delivers. Upgrade your classic F-Body today with parts from GGCRACING!

Product Details

Product Description

UMI Performance 2" Lowering Rear Leaf Springs & Polyurethane Shackle Kit for 1970-1981 GM F-Body

Complete your classic muscle car's rear suspension upgrade with the UMI Performance 2" Lowering Rear Leaf Springs and Polyurethane Shackle Kit package. This combination is designed to provide a sleek, lowered stance for your 1970-1981 Chevrolet Camaro or Pontiac Firebird while enhancing overall handling and durability. The leaf springs themselves, crafted from high-quality US steel, lower the vehicle by approximately 2 to 2.5 inches, giving it an aggressive, road-hugging profile.

Kit Features & Advantages:

  • Complete Lowering Solution: Includes both the 2" lowering leaf springs and the necessary polyurethane shackle kit for a comprehensive upgrade.
  • Optimized Stance: Achieves a desirable 2"-2.5" rear drop for improved aesthetics.
  • Enhanced Durability: Features robust leaf springs made from premium US Steel and durable polyurethane bushings.
  • Superior Handling: Polyurethane bushings minimize deflection, leading to more responsive suspension action and better road feel.
  • Easy Installation: Designed for direct bolt-in fitment into stock locations, simplifying the upgrade process.
  • Comprehensive Kit: The shackle kit includes bushings for both the leaf spring and chassis sides, along with Grade 8 hardware and laser-cut shackles.

This kit is ideal for enthusiasts looking to significantly improve their F-Body's appearance and performance. The polyurethane bushings in the shackle kit offer a noticeable improvement in suspension responsiveness over stock rubber components, ensuring that your upgraded leaf springs perform at their best. Whether you're aiming for show-winning looks or track-ready performance, this UMI Performance package delivers. Upgrade your classic F-Body today with parts from GGCRACING!

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