Cognito Motorsports
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Block & U-bolt Kits - GMC Block & U-bolt Kits - 01-10 GMC 3500HD 4wd Block & U-bolt Kits - BLOCK & U-BOLT KIT - 01-10 GMC 3500HD DUALLY 4WD - 2.5 INCH TAPERED - DIESEL
Cognito rear lift Block & Ubolt kits will help you obtain the desired lift height for the rear of your Chevrolet , GMC 6lug or 8lug vehicle. Silverado, Sierra, Suburban 2500, Yukon XL 2500.

The above picture shows our Fabricated Steel rear lift Blocks & Ubolts. We also carry Cast Steel lift Block & Ubolt Kits. All Fabricated Blocks Will Come Standard In Black Powder Coat finish. An affordable way to lift the rear of your Chevrolet, GMC truck. Extended length shocks will be needed. Sold separate.
GMC 3500HD DUALLY 4WD (2001 - 2010) DIESEL
    Part# Description Price Qty. Add
    BUK10-2.5T-16
2001-2010_Chevrolet_Silverado,_GMC_Sierra_8lug_Dually_2.5__Fabricated_Tapered_Steel_rear_lift_Block_And_16__Ubolt_Kit.
2001-2010 Chevrolet Silverado, GMC Sierra 8lug Dually 2.5" Fabricated Tapered Steel rear lift Block And 16" Ubolt Kit. $154.00