Note: These blocks are designed specifically for the 1/2 ton models of this vehicle, U-bolts are not properly designed for 1 Ton model. If you have the 3/4 Ton model of this vehicle check out our add for those.
Rough Country Rear Block with U-Bolt Kits
All kits include 2 riser blocks, 4 U-bolts, 8 heavy duty flat washers, and 8 hi-nuts. All blocks are tapered in order to improve vehicle driveshaft angles. Do not use blocks on the front axles of vehicles.
This kit fits the 73-91 Chevy/GMC 1/2 Ton 4WD Blazer and Jimmy.
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