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Home > UMI Performance

UMI Performance 4045-300 - 1964-1972 GM A-Body 1-3/8” Tubular Rear Drag Sway Bar - Bolt-on - 3.00" Tube

Part Number UMI 4045-300
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UMI Performance 4045-300 - 1964-1972 GM A-Body 1-3/8” Tubular Rear Drag Sway Bar - Bolt-on - 3.00" Tube
UMI Performance 4045-300 - 1964-1972 GM A-Body 1-3/8” Tubular Rear Drag Sway Bar - Bolt-on - 3.00' Tube
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$529.99
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Description
1964-1972 GM A-Body Drag Sway Bar, Rear, Tubular, 1-3/8”, 3.00" Axle Tube

UMI's A-body Anti-Roll bar is specifically designed to help your hot rod launch flat and straight off the line. Made from lightweight 1-3/8” diameter tubular steel, these bars are available in three different rates to suit your needs. The CNC-machined clamping system ensures easy and secure mounting on 3" and 3.25" diameter differential housings. For added safety, welding is recommended during installation. The double shear chassis mounts are held in place by four 3/8" fasteners and come with an exclusive reinforcement plate for extra strength.

Installation requires drilling through the crossmember; however, a template and instructions are provided to guide you through the process. The house-made hex adjuster allows for pre-loading the bar for drag applications, ensuring your car launches straight regardless of power. Available in red or black powder coat, this A-body drag bar is proudly manufactured in Philipsburg, PA, USA.

Key features of the UMI A-body Anti-Roll bar include the 1-3/8” diameter tubular design, which saves weight while providing excellent strength and roll resistance. The bar is compatible with various rear ends, including factory 10-Bolt, 12-Bolt, 9”, M9, S60, and others. Performance is further enhanced by heavy-duty ultra-premium chromoly spherical rod ends with Teflon race, high-strength 4140 chromoly zinc-plated u-bolts, and CNC-machined sway bar mounts.

The installation process is simplified with a 1” billet steel hex adjuster for extreme strength, heavy-duty machined aluminum sway bar mounts with greasable polyurethane bushings, and a durable, long-lasting powder coat finish. Designed for 100% bolt-in installation, the bar can be easily transferred between cars by changing u-bolt sizes. Axle tube diameter compatibility information is provided for various rear end manufacturers to ensure a proper fit.

  • 1-3/8” diameter tubular bar for incredible strength, resistance to roll and light weight (saves 8-10lbs over the competition with no loss of roll resistance)
  • Designed to clear all rear ends
  • Factory 10-Bolt, 12-Bolt, 9”, M9, S60 and others
  • Heavy duty ultra premium chromoly spherical rod ends with Teflon race.
  • High strength 4140 chromoly zinc-plated u-bolts
  • CNC machined sway bar mounts with grip teeth and reinforcement gussets
  • 1” Billet steel hex adjuster for extreme strength. On-car adjustable to set preload.
  • Heavy duty machined aluminum sway bar mounts with greaseable polyurethane bushings
  • 100% bolt in installation!
  • Durable long lasting powder coat
  • Switch easily from car to car just by changing u-bolt sizes
  • Axle Tube Diameters:
  • Factory rear end, Strange Engineering and Currie rear ends use 3” diameter axle tubes
  • Moser Engineering 12-bolt rear ends use 3” diameter axle tubes
  • Moser Engineering 9” rear ends manufactured after early 2002 use 3” axle tubes. Rear ends manufactured prior to early 2002 use 3.25” axle tubes. Please verify diameter before ordering.
  • Other brand rear ends will vary, please check your axle tube diameter before ordering.
Applications
1970 - 1972 Buick GS 
1968 - 1969 Buick GS 350 
1968 - 1969 Buick GS 400 
1970 - 1972 Buick GS 455 
1965 - 1967 Buick Gran Sport 
1964 - 1972 Buick Skylark 
1964 - 1969 Buick Special 
1964 - 1972 Buick Sportwagon 
1964 - 1972 Chevrolet Chevelle 
1964 - 1972 Chevrolet El Camino 
1964 - 1967 Chevrolet Malibu 
1970 - 1972 Chevrolet Monte Carlo 
1971 - 1972 GMC Sprint 
1964 - 1971 Oldsmobile 442 
1964 - 1972 Oldsmobile Cutlass 
1964 - 1972 Oldsmobile Vista Cruiser 
1964 - 1972 Pontiac GTO 
1969 - 1972 Pontiac Grand Prix 
1964 - 1972 Pontiac LeMans 
1964 - 1970 Pontiac Tempest
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