UMI Performance 78-88 GM G-Body Rear Frame Notching Kit Weld-In

SKU: UMI3061
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UMI Performance Rear Frame Notching Kit for 78-88 GM G-Body ...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 Rear Frame Notching Kit for 78-88 GM G-Body

Achieve the aggressive stance and wider tire fitment you desire with the UMI Performance Rear Frame Notching Kit (P/N 3061). Specifically designed for the 1978-1988 GM G-Body platform (including Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, Oldsmobile Cutlass, and Pontiac LeMans/Grand Prix), this kit allows you to narrow the upper rear frame rails. This modification is essential for installing wider tires and achieving a lowered look without compromising suspension geometry.

Key Features and Benefits:

  • Wider Tire Clearance: Enables the fitment of wider rear tires for improved grip and aesthetics.
  • Precision Laser Cut: Manufactured from 1/8" premium steel with laser-cut precision to follow the frame contours accurately.
  • Easy Weld-In Design: Designed for straightforward welding with a standard MIG welder, featuring slight overhang for easy integration.
  • Includes End Enclosures: Comes with end caps to seamlessly bridge the notched section to the original frame.
  • Durable Construction: Built to withstand the demands of performance driving and street use.
  • Made in USA: Designed, manufactured, and tested in Philipsburg, PA.

Note: This kit requires cutting, welding, and general fabrication skills for proper installation. It's an ideal upgrade for custom builds, drag cars, or any G-Body owner looking to optimize tire fitment. Get your UMI Performance Rear Frame Notching Kit today at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

UMI Performance Rear Frame Notching Kit for 78-88 GM G-Body

Achieve the aggressive stance and wider tire fitment you desire with the UMI Performance Rear Frame Notching Kit (P/N 3061). Specifically designed for the 1978-1988 GM G-Body platform (including Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, Oldsmobile Cutlass, and Pontiac LeMans/Grand Prix), this kit allows you to narrow the upper rear frame rails. This modification is essential for installing wider tires and achieving a lowered look without compromising suspension geometry.

Key Features and Benefits:

  • Wider Tire Clearance: Enables the fitment of wider rear tires for improved grip and aesthetics.
  • Precision Laser Cut: Manufactured from 1/8" premium steel with laser-cut precision to follow the frame contours accurately.
  • Easy Weld-In Design: Designed for straightforward welding with a standard MIG welder, featuring slight overhang for easy integration.
  • Includes End Enclosures: Comes with end caps to seamlessly bridge the notched section to the original frame.
  • Durable Construction: Built to withstand the demands of performance driving and street use.
  • Made in USA: Designed, manufactured, and tested in Philipsburg, PA.

Note: This kit requires cutting, welding, and general fabrication skills for proper installation. It's an ideal upgrade for custom builds, drag cars, or any G-Body owner looking to optimize tire fitment. Get your UMI Performance Rear Frame Notching Kit today at GGCRACING.

Product Details

Product Description

UMI Performance Rear Frame Notching Kit for 78-88 GM G-Body

Achieve the aggressive stance and wider tire fitment you desire with the UMI Performance Rear Frame Notching Kit (P/N 3061). Specifically designed for the 1978-1988 GM G-Body platform (including Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, Oldsmobile Cutlass, and Pontiac LeMans/Grand Prix), this kit allows you to narrow the upper rear frame rails. This modification is essential for installing wider tires and achieving a lowered look without compromising suspension geometry.

Key Features and Benefits:

  • Wider Tire Clearance: Enables the fitment of wider rear tires for improved grip and aesthetics.
  • Precision Laser Cut: Manufactured from 1/8" premium steel with laser-cut precision to follow the frame contours accurately.
  • Easy Weld-In Design: Designed for straightforward welding with a standard MIG welder, featuring slight overhang for easy integration.
  • Includes End Enclosures: Comes with end caps to seamlessly bridge the notched section to the original frame.
  • Durable Construction: Built to withstand the demands of performance driving and street use.
  • Made in USA: Designed, manufactured, and tested in Philipsburg, PA.

Note: This kit requires cutting, welding, and general fabrication skills for proper installation. It's an ideal upgrade for custom builds, drag cars, or any G-Body owner looking to optimize tire fitment. Get your UMI Performance Rear Frame Notching Kit today at GGCRACING.

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