SPC Performance · New
SPC Performance 4 in. HD Support Plate (6)
MPN 10798 · Store SKU spc10798
Supplier stock checked 11/7/2026, 5:45:40 AM UTC. Adding a part does not reserve it.
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Product details
Spread the load! "Z" blocks and other axle spacers used by Hendrickson, Freightliner, Kenworth, Mack, Hollis, Sterling, Ford and others create pressure points that will crush or even break the toughest of caster wedges. Use this HD Wedge Spacer Plate tospread the load and then use the caster shim of your choice to modify alignment. The 1/8" thick plate comes 6 to a pack and provides support for 4" wide axle spacers. The HD Wedge Spacer Plate can also be used to dial in ride height from side to side. California Residents WARNING Spread the load! "Z" blocks and other axle spacers used by Hendrickson, Freightliner, Kenworth, Mack, Hollis, Sterling, Ford and others create pressure points that will crush or even break the toughest of caster wedges. Use this HD Wedge Spacer Plate tospread the load and then use the caster shim of your choice to modify alignment. The 1/8" thick plate comes 6 to a pack and provides support for 4" wide axle spacers. The HD Wedge Spacer Plate can also be used to dial in ride height from side to side. "Z" blocks and other axle spacers used by Hendrickson, Freightliner, Kenworth, Mack, Hollis, Sterling, Ford and others create pressure points that will crush or even break the toughest of caster wedges. Use this HD Wedge Spacer Plate to spread the load more evenly and then use the caster shim of your choice to modify alignment. The 1/8" thick plate comes 6 to a pack and provides support for 4" wide axle spacers. The HD Wedge Spacer Plate can also be used to dial in ride height from side to side. 4" HD SUPPORT PLATE (6)
Manufacturer fitment & guides
Check 10798 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
