Competition Series 4-Link Rear
Frame Package
Our Competition Series 4-Link Rear Frames are great for Pro Street or E.T. drag cars. They come completely jig welded with 4-Link mounts and upper shock cross member fully installed. For an exact fit we leave the front cross member and the rear of the frame long to allow for trimming to fit your needs. The built-in rear drive shaft safety loop has a 3¾” drop center. The upper section is left unwelded to allow for trimming to the necessary height to fit your application. Our standard frame width is 24” center to center, but custom sizes are no problem and no extra cost. The package comes with our economy coil over which contains non-adjustable shocks, QA1 springs (with a rate to fit your application) and adjustable lower shock mounts (5½” of adjustment). Adjustable and non-adjustable QA1 shocks are available. Our back halfs are available with 9” Ford rear axle housings. Each axle housing is jig welded to assure straightness and come with big bearing ends. Our standard housing width is 40” (45” +/- track width) but again custom widths are no problem and no extra cost.
Kit Includes: 
  • Fully Jig Welded Rear Frame
  • 4-Link Tubes & Housing Brackets
  • QA1 EXM Rod Ends with Teflon/Kevlar Races & Increased Cross-Sectional Thickness for greater strength
  • Diagonal Link with Brackets & Rod Ends
  • Economy coil over shocks
  • QA1 springs (your choice of rate)
  • Adjustable lower shock mounts
  • 60" wide cross member
  • 3 3/4" drop center drive shaft hoop
  • 2" x 3" Mandrel Bent Frame Rails

Available Upgrades:
  • QA1 Aluma-Matic Shocks- $170
  • QA1 Proma-Star Single Adj. Shocks- $245
  • QA1 Proma-Star Double Adj. Shocks- $320
  • Wishbone Locator- $90
  • Anti-Roll Bar Installed- $250
  • Refurbished 9'' Housing(when available)- $300
  • New 9'' Housing- $500

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