Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
These SPC stackable rear shims enable fixed incremental rear alignment adjustments on twist-beam axles, offering a ±.40° change option for toe correction. Use them alongside camber shims or stack two for maximum effect to achieve the desired rear geometry. The shims give technicians a dependable, repeatable way to correct alignment and help restore proper tire wear and handling on compatible vehicles.
SPC Performance GM Rear Toe + - .40 Shim
