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The Yukon USA Standard 4340 chromoly axle kit is a direct-replacement front axle set for 1977–1991 GM Dana 60 front applications, supplied with Yukon Super Joints. Forged from high-tensile 4340 chromoly and heat-treated for resilience, the kit includes 35-spline 17.67" inner RH and 35.1" inner LH axles, plus 30-spline 12" outer axles, matching standard Dana 60 front differential configurations.
USA Standard 4340CM Rplcmnt Axle Kit For 77-91 GM Dana 60 Front / 30 Spline w/Super Joints
