Shop / Tire Changer Parts / Upper Disc Arm Lock Spring Bolt “PCB Processor BD with Firmware” has been added to your cart. View cart Upper Disc Arm Lock Spring Bolt$12.00 Out of stock SKU: TH-ST0012044 Category: Tire Changer Parts Related products Back Push Button $29.00 Add to cart Tire Changer Foot Pedal Linkage $44.51 Add to cart Pin M5 Hexagonal SKT-30950 $25.00 Add to cart Accu-Turn Plastic Inserts (Pkg of 5) $38.76 Add to cart