UMI Performance Driveshaft Safety Loop - Black — Fits 1964-1972 GM A-Body

SKU: UMI4500-B
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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 UMI Performance

UMI Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full UMI Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

UMI Performance NHRA Legal Driveshaft Safety Loop

Ensure your classic muscle car meets safety regulations and protects against driveshaft failure with the UMI Performance Driveshaft Safety Loop. Designed specifically for the 1964-1972 GM A-Body platform, this loop is a crucial upgrade for any vehicle running 13.99 seconds or faster in the quarter mile, as mandated by many racing organizations like NHRA.

Engineered for Strength and Fitment

This one-piece safety loop is constructed from robust 0.250" thick mild steel, offering superior durability and resistance to extreme forces. It features CNC-machined mounting points for a precise, factory-like fit, ensuring easy installation. The loop is contoured to seamlessly integrate with the A-Body floor pan, minimizing clearance issues. You have the option to either bolt it in or weld it for maximum security, attaching to the reinforcement rib located behind the transmission.

Key Features:

  • NHRA legal for racing applications
  • Constructed from 0.250" thick mild steel
  • Contoured design for 1964-1972 GM A-Body floor pans
  • CNC-machined mounting points for accuracy
  • Bolt-in or weld-in installation options
  • Fully MIG welded for maximum strength and reliability
  • Essential safety upgrade for faster vehicles

This driveshaft safety loop is compatible with a wide range of GM A-Body models, including the Buick Skylark, Chevrolet Chevelle, Oldsmobile Cutlass, and Pontiac GTO, among others, from 1964 through 1972. Invest in peace of mind and track-ready safety with this essential component from UMI Performance, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1972 Buick Sportwagon Base
1966 Buick Sportwagon Custom
1968-1969 Buick Sportwagon Custom
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1967 Oldsmobile Cutlass Turnpike Cruiser
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

Product Details

Product Description
Part Numbers
Sizing & Fit

About UMI Performance

UMI Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full UMI Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

UMI Performance NHRA Legal Driveshaft Safety Loop

Ensure your classic muscle car meets safety regulations and protects against driveshaft failure with the UMI Performance Driveshaft Safety Loop. Designed specifically for the 1964-1972 GM A-Body platform, this loop is a crucial upgrade for any vehicle running 13.99 seconds or faster in the quarter mile, as mandated by many racing organizations like NHRA.

Engineered for Strength and Fitment

This one-piece safety loop is constructed from robust 0.250" thick mild steel, offering superior durability and resistance to extreme forces. It features CNC-machined mounting points for a precise, factory-like fit, ensuring easy installation. The loop is contoured to seamlessly integrate with the A-Body floor pan, minimizing clearance issues. You have the option to either bolt it in or weld it for maximum security, attaching to the reinforcement rib located behind the transmission.

Key Features:

  • NHRA legal for racing applications
  • Constructed from 0.250" thick mild steel
  • Contoured design for 1964-1972 GM A-Body floor pans
  • CNC-machined mounting points for accuracy
  • Bolt-in or weld-in installation options
  • Fully MIG welded for maximum strength and reliability
  • Essential safety upgrade for faster vehicles

This driveshaft safety loop is compatible with a wide range of GM A-Body models, including the Buick Skylark, Chevrolet Chevelle, Oldsmobile Cutlass, and Pontiac GTO, among others, from 1964 through 1972. Invest in peace of mind and track-ready safety with this essential component from UMI Performance, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1972 Buick Sportwagon Base
1966 Buick Sportwagon Custom
1968-1969 Buick Sportwagon Custom
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1967 Oldsmobile Cutlass Turnpike Cruiser
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

Product Details

Product Description

About UMI Performance

UMI Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full UMI Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

UMI Performance NHRA Legal Driveshaft Safety Loop

Ensure your classic muscle car meets safety regulations and protects against driveshaft failure with the UMI Performance Driveshaft Safety Loop. Designed specifically for the 1964-1972 GM A-Body platform, this loop is a crucial upgrade for any vehicle running 13.99 seconds or faster in the quarter mile, as mandated by many racing organizations like NHRA.

Engineered for Strength and Fitment

This one-piece safety loop is constructed from robust 0.250" thick mild steel, offering superior durability and resistance to extreme forces. It features CNC-machined mounting points for a precise, factory-like fit, ensuring easy installation. The loop is contoured to seamlessly integrate with the A-Body floor pan, minimizing clearance issues. You have the option to either bolt it in or weld it for maximum security, attaching to the reinforcement rib located behind the transmission.

Key Features:

  • NHRA legal for racing applications
  • Constructed from 0.250" thick mild steel
  • Contoured design for 1964-1972 GM A-Body floor pans
  • CNC-machined mounting points for accuracy
  • Bolt-in or weld-in installation options
  • Fully MIG welded for maximum strength and reliability
  • Essential safety upgrade for faster vehicles

This driveshaft safety loop is compatible with a wide range of GM A-Body models, including the Buick Skylark, Chevrolet Chevelle, Oldsmobile Cutlass, and Pontiac GTO, among others, from 1964 through 1972. Invest in peace of mind and track-ready safety with this essential component from UMI Performance, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1972 Buick Sportwagon Base
1966 Buick Sportwagon Custom
1968-1969 Buick Sportwagon Custom
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1967 Oldsmobile Cutlass Turnpike Cruiser
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

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