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Adds preload and effective rate to rear torsion springs
Allows for more accurate ride height setup
Increases efficiency of rear torsion springs
Includes: 1 Pair of Torsion Spring Spacers for Summit Rev models 2007 and older with (SC-10) suspension: Track Lengths - 144", 151", 159", and 162".
NOTE: If you are unsure if this spacer will fit, please measure your springs before ordering. The OD of this spacer is 2.00", please confirm that there will be roughly .250" of space on one side when installed to allow for proper wrapping.