Leading Manufacturer of Traction Enchancing Differentials & Planetary Drives

GM 8.875" Truck 11 1/2" 12 Holes, Irregular	5420105, High Performance Series 542032, Pro Series Applications: Chevrolet Truck with 8 7/8” ring gear - 4 Series Case Ratios: 3.73:1 & Up Side Gear Spline: 30 Teeth Model Years: 1964-1982 1/2 Bearing Cone: LM603049 Bearing Cup: LM603012
	5420107, High Performance Series 542034, Pro Series Applications: Chevrolet Truck with 8 7/8” ring gear - 3 Series Case Ratios: 2.76:1 to 3.42:1 Side Gear Spline: 30 Teeth Model Years: 1964 - 1982 1/2 Bearing Cone: LM603049 Bearing Cup: LM603012
	545009 Applications: All Chevrolet truck with 8 7/8” ring gear - 3 series case Ratios: 2.76:1 to 3.42.1 Side Gear Spline: 30 Teeth Model Years: 1964-1982 1/2 Bearing Cone: LM603049 Bearing Cup: LM603012
	545011 Applications: All Chevrolet truck with 8 7/8” ring gear - 4 series case Ratios: 3.73:1 & Up Side Gear Spline: 30 Teeth Model Years: 1964-1982 1/2 Bearing Cone: LM603049 Bearing Cup: LM603012

	Bearings not included unless specifically stated. Applications listed (make & year) are for reference only - always verify axle/ring gear size, ratio to be used and number of axle splines prior to purchase and installation.
	PDF: Please refer to the Tire Chart for maximum tire sizes for Auburn Gear traction differential applications.
	Every effort has been made to ensure accuracy of the contents of this catalog. However, we assume no responsibility for errors or ommissions.