1979-2004 Mustang - StrongArms Rear Upper

In stock

 California Prop 65 Warning

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These rear lower StrongArms are a direct replacement for the stock trailing arms for 1979-2004 Mustang.  They utilize R-Joint Technology and provide added strength to help get the power to the pavement. Direct Bolt-On application no modification required.

R-Joints are a revolutionary rod end design that provides low friction, full range articulation, long service life, lateral stability and quiet operation. 

  • Articulates in 3 planes 360 degree axial rotation and 30 degrees of total lateral rotation.
  • 17-4 investment cast stainless steel housing with rolled threads.
  • Polished stainless ball and RTX10 composite cage provides consistent low friction movement.
  • Special RTX10 composite cage needs NO lubrication.
  • Self cleaning design…movement not affected by ANY water, grit, dirt, or debris.
  • Spring loaded closure keeps mechanism tight and rattle free for LIFE!


Instructions (12136699_R-Joint.pdf, 247 Kb) [Download]    [View]