Craig is right. Just installed one on Memorial Day. The spacer is needed on the 2 wheel drive with sway bar, but not on 4x4 with sway bar.
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98. 5 3500 QC 4x4
Driftwood/ Grey Int.
5 spd, 3. 54
PowerMax2, 19. 5" Alcoas, 245/70-19. 5 Michelins,
Ranchhand bumbers and toolbox, dual 3" with 5" tips, "Scotty Air System", Centerforce Dual Friction clutch, Autometer Gauges, Cobra CB, Sony CD player, Polk Audio Speakers, Upgraded fuel lines from tank to injector pump, Mag-Hytec Diff Cover, PacBrake.
69 Z-28 Camaro, Silver/Black, original motor, 58,000 miles
Building: 32 (Censored) 5 Window, "American Graffiti" replica