SPC Performance · New
SPC Performance GM Alignment Cam Lock Plate (2)
MPN 86321 · Store SKU spc86321
Supplier stock checked 11/7/2026, 5:17:39 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Many techs find that once the plastic retainer is removed from the original equipment cam on GM trucks, the adjustment won't hold. These lock plates are designed to provide a mechanical lock for the cam bolt to the guide pin. Simply dial in the adjustment change with the original equipment cam or SPC's replacement kit #86376 and then replace the nut side cam with the lock plate. Use part number 86326 HD GM alignment pins to replace the often abused OE pins. This kit is designed for GM 2500/3500/4500 HD trucks (Upper Arm Adjustment) and the 2015 & up Chevy Colorado (Lower Arm Adjustment). Some users find that once they remove the plastic retainer from the original equipment cam on GM trucks, they can't get adjustment to hold. These lock plates are designed to provide a mechanical lock for the cam bolt to the guide pin. Simply dial in your change with the original equipment cam or SPC's replacement kit #86376 and then replace the nut side cam with the lock plate. Use part number 86326 HD GM alignment pins to replace the often abused OE pins. This kit is designed for GM 2500/3500/4500 HD trucks (Upper Arm Adjustment) and the 2015 & up Chevy Colorado (Lower Arm Adjustment). Some users find that once they remove the plastic retainer from the original equipment cam on GM trucks, they can't get adjustment to hold. These lock plates are designed to provide a mechanical lock for the cam bolt to the guide pin. Simply dial in your change with the original equipment cam or SPC's replacement kit #86376 and then replace the nut side cam with the lock plate. Use part number 86326 HD GM alignment pins to replace the often abused OE pins. This kit is designed for GM 2500/3500/4500 HD trucks and the 2015 & up Chevy Colorado. California Residents WARNING GM TRUCK LOCK PLATES (PR) GM TRUCK LOCK PLATES(PR)
Manufacturer fitment & guides
Check 86321 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
