Zone Offroad 2" front strut spacer kit is made from Polyphthalamide which is a thermoplastic synthetic resin commonly used to replace metals in automotive applications. These have been specifically engineered and molded to take some of the sheer load off the strut mounting bolts for a durable assembly. No disassembly of the strut is required for installation on your Silverado, Sierra, Avalanche, Tahoe, Yukon, Suburban. All necessary hardware is included.
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