USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.

• Fits Dana 60 Differentials
• 4.56 Gear Ratio
• 12 ring gear bolts
• 37 spline pinion
• 11.25 ring gear diameter
• Thick, for 3.73-down case

Features and Benefits:

• Fits Dana 60 Differentials
• 4.56 Gear Ratio
• 12 ring gear bolts
• 37 spline pinion
• 11.25 inch ring gear diameter
• Thick, for 3.73-down case

• AAP UDA 4:60

1995-1998 Dodge B3500 (Rear) (Drive: Rwd)

• 1999-2003 Dodge Ram 2500 Van (Rear) (Drive: Rwd)
• 1994-2002 Dodge Ram 2500 (Rear) (Drive: 4WD, Rwd)
• 1994-2002 Dodge Ram 3500 (Rear) (Drive: 4WD, Rwd)
• 1991-2001 Chevrolet C3500HD (Rear) (Drive: 4 X 2)
• 1992-2000 Chevrolet C3500 (Rear) (Drive: Rwd)
• 1996-2007 Chevrolet Express 3500 (Rear) (Drive: Rwd)
• 1992-1995 Chevrolet G30 (Rear) (Drive: Rwd)
• 1990-1998 Chevrolet K3500 (Rear) (Drive: 4WD)
• 1997-1999 Chevrolet P30 (Rear) (Drive: Rwd)
• 2003-2009 Chevrolet C4500 Kodiak (Rear) (Drive: 4 X 2)
• 2001-2002 GMC C3500HD (Rear) (Drive: 4 X 2)
• 1992-2000 GMC C3500 (Rear) (Drive: Rwd)
• 1992-2000 GMC K3500 (Rear) (Drive: 4WD)
• 1997-1999 GMC P3500 (Rear) (Drive: Rwd)
• 2000-2010 Ford E-350 Super Duty (Rear) (Drive: Rwd)
• 2003-2005 Ford E-450 Super Duty (Rear) (Drive: 4 X 2)
• 2000-2002 Ford E-450 Econoline Super Duty (Rear) (Drive: 4 X 2)
• 1988-1998 Ford E-350 Econoline (Rear) (Drive: Rwd)
• 1999 Ford E-350 Econoline Club Wagon (Rear) (Drive: Rwd)
• 1990-1997 Ford F-Super Duty (Rear) (Drive: 4 X 2)
• 1988-1997 Ford F-350 (Rear) (Drive: 4WD, Rwd)
• 1999-2015 Ford F-350 Super Duty (Rear) (Drive: 4WD, Rwd)
• 1999-2005 Ford F-450 Super Duty (Rear) (Drive: 4 X 2, 4 X 4)