Precision Gear GM10SPGK Spider Gear Kit  10-Bolt Axle Precision Gear GM10/SPGK Precision Gear Spider Gear Kit; Front 8.5 in.; Rear 7.5 in.; 7.625 in.; 8.2 in.; 8.25 in.; 8.5 in.; 8.6 in.; 8.75 in.; 8.8 in.; 28 Spline; Open; Authorized Dealer - 100% Satisfaction Guaranteed Precision Gear GM10/SPGK Warranty: Yes