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The Yukon 3.42 ring-and-pinion set for 8.0-inch GM differentials is a direct-fit replacement option engineered with precision tooth finishing and heat-treated steel to reduce friction and heat. Offered for applications such as 2002–2009 GM Envoy and Trailblazer 8-inch axles, this ratio provides a dependable balance of efficiency and traction while maintaining OEM-spec fitment and serviceability for common GM intermediate-duty applications.
Yukon Gear Ring & Pinion for GM 8in Differential in a 3.42 Ratio
