What Does The Z71 Mean

Z71 is a specific RPO (Regular Production Option) code used by General Motors, primarily for Chevrolet and GMC trucks. It denotes an off-road suspension and equipment package designed to improve vehicle performance in rugged terrain.

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What Does 88h Mean On A Tire

The alphanumeric code ’88H’ on a tire represents the load index and the speed rating. Specifically, ’88’ indicates the maximum weight the tire can support, while ‘H’ denotes the maximum speed the tire is certified to handle safely.

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