#1
First Choose Your Cross Shaft
(Measure your Stock Cross Shaft Bolt Hole Spacing From Center to Center)
Cross Shaft 5" Steel 6" Steel 6-15/16" Steel 7-3/4" Steel 6" Aluminum Rod Ends


#2
Then Choose the Length of Your Control Arm - Adjusting sleeves
(Measure from the middle of the cross shaft to the center of the ball joint)
Adjustable Sleeve 7" - 9" Adjustable 8-1/4" - 10" Adjustable
Note: If your arm is longer than 10" or if you have an offset arm click here.

#3
Finally, Determine Type of Ball Joint Plate
Ball Joint Plate Chrysler Screw In - 10 degree Chrysler Screw In - 0 degree GM Full Size GM Midsize Metric