Brothers now offers a conversion to convert your factory 6 lug rearend to 5-lug 5 x 5 bolt pattern. Kit includes (2) 30-spline axles, (2) 5 lug drums, differential gasket, spider gears (for 30-spline axles) & (10) wheel studs. Use with stock GM 8.875-inch 12-bolt truck axle. New wheels will be required (not included).