Description High performance Yukon Ring & Pinion gear set for GM 9.25″ IFS Reverse Rotation in a 4.56 ratio. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon Ring & Pinion sets come standard with a one-year warranty.Compatible Make / Model:Chevrolet / Chevy Avalanche (2002 – 2011)  Chevrolet / Chevy Avalanche (2002 – 2011)Chevrolet / Chevy Silverado 1500 1/2 Ton (2000 – 2011)  Chevrolet / Chevy Silverado 1500 1/2 Ton (2000 – 2011)Chevrolet / Chevy Silverado 2500 3/4 Ton (1988 – 2010)  Chevrolet / Chevy Silverado 2500 3/4 Ton (1988 – 2010)Chevrolet / Chevy Silverado HD 1500 1/2 Ton (2001 – 2011)  Chevrolet / Chevy Silverado HD 1500 1/2 Ton (2001 – 2011)Chevrolet / Chevy Silverado HD 2500 3/4 Ton (2001 – 2011)  Chevrolet / Chevy Silverado HD 2500 3/4 Ton (2001 – 2011)Chevrolet / Chevy Silverado HD 3500 1 Ton (2001 – 2011)  Chevrolet / Chevy Silverado HD 3500 1 Ton (2001 – 2011)Chevrolet / Chevy Suburban 1500 1/2 Ton (2000 – 2011)  Chevrolet / Chevy Suburban 1500 1/2 Ton (2000 – 2011)Chevrolet / Chevy Suburban 2500 3/4 Ton (1988 – 2011)  Chevrolet / Chevy Suburban 2500 3/4 Ton (1988 – 2011)Chevrolet / Chevy Tahoe 1500 1/2 Ton (2000 – 2011)  Chevrolet / Chevy Tahoe 1500 1/2 Ton (2000 – 2011)GMC K10 1/2 Ton (2000 – 2000)  GMC K10 1/2 Ton (2000 – 2000)GMC K20 3/4 Ton (1988 – 2000)  GMC K20 3/4 Ton (1988 – 2000)GMC K30 1 Ton (1988 – 2000)  GMC K30 1 Ton (1988 – 2000)GMC Sierra 1500 1/2 Ton (2000 – 2011)  GMC Sierra 1500 1/2 Ton (2000 – 2011)GMC Sierra Denali (2000 – 2010)  GMC Sierra Denali (2000 – 2010)GMC Yukon 1500 1/2 Ton (2000 – 2011)  GMC Yukon 1500 1/2 Ton (2000 – 2011)GMC Yukon 2500 3/4 Ton (1992 – 2010)  GMC Yukon 2500 3/4 Ton (1992 – 2010)GMC Yukon XL 1500 1/2 Ton (2006 – 2011)  GMC Yukon XL 1500 1/2 Ton (2006 – 2011)GMC Yukon XL 2500 3/4 Ton (2006 – 2010)  GMC Yukon XL 2500 3/4 Ton (2006 – 2010)Hummer H2 (2003 – 2009)  Hummer H2 (2003 – 2009)