401517 - 1968-1972 GM A-Body Lower Control Arm & Adj Upper Control Arm Kit NA Miata UMI Performance solid sway bars

UMI Performance solid sway bars offer improved handling and reduced body roll for a more balanced suspension

Adjusting your pinion angle is essential for improving your track times

4140 chrome moly threaded tube adapters

Honda GX 160 and GX 200

You might need to slightly modify that 3rd hole per side to use the included nut and washer hardware

401517 - 1968-1972 GM A-Body Lower Control Arm & Adj Upper Control Arm Kit NA Miata UMI Performance solid sway barsThis kit includes (1) set of our tubular lower control arms and (1) set of our on car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM set up adding strength, ride improvement and most importantly, rear end adjustment. Kit Includes: 1 Set Tubular Lower Control Arms Item # 4015 1 Set Adjustable Upper Control Arms Item # 4017 Installation: Complete kit includes detailed installation instructions, uses OEM