Rough Country 6521 2.5 Inch Block & U-Bolt Kit | Chevy/GMC 1500 (99-25) Model_Avalanche All-Weather Reliability: Military-spec fluid rated

All-Weather Reliability: Military-spec fluid rated to -40 degrees celsius ensures dependable performance in extreme conditions

ensuring your truck maintains its bold appearance year after year

Rough Country's 2

so your drink stays put even on the roughest terrain

Rough Country 6521 2.5 Inch Block & U-Bolt Kit | Chevy/GMC 1500 (99-25) Model_Avalanche All-Weather Reliability: Military-spec fluid ratedHas the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough Country. Upgrade your rear suspension with Rough Country's vehicle specific block and u bolt kit! Rough Country's rear block and u bolt kits provide a simple remedy to an age old problem that simply happens over the span of your vehicle lift. Each kit offers two rear blocks that are tapered to reduce