Ring and Pinion - 4.10 Ratio - 30 Spline Pinion - 8.5 in - GM 10-Bolt - Kit Brand Allstar Performance This gearset is a 4.10:1 ratio with a 10 tooth pinion and a 41 tooth ring gear not a a 4.11:1 ratio with a 9 tooth pinion and 37 tooth ring gear. ALL70126 Truck Freight- NO State Restriction-
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