Yukon Gear High Performance Gear Set For 10 & Down Ford 10.5in in a 4.11 Ratio

Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle.
Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon designed the gear tooth surface finish to reduce friction and heat, and use high grade steel in both the ring & pinion, with fitment designed to OEM spec
10.5" FORD 4.10 R&P '99-'10 w/ 31spl PINION

Fitment:
Ford E-250 Base 2003
Ford E-250 Base 2004
Ford E-250 Base 2005
Ford E-250 Base 2006
Ford E-250 Base 2007
Ford E-250 Base 2008
Ford E-250 Base 2009
Ford E-250 Base 2010
Ford E-250 Econoline Base 1999
Ford E-250 Econoline Base 2000
Ford E-250 Econoline Base 2001
Ford E-250 Econoline Base 2002
Ford E-250 Econoline XL 1999
Ford E-250 Econoline XL 2000
Ford E-350 Club Wagon Chateau 2003
Ford E-350 Club Wagon Chateau 2004
Ford E-350 Club Wagon Chateau 2005
Ford E-350 Club Wagon XL 2003
Ford E-350 Club Wagon XL 2004
Ford E-350 Club Wagon XL 2005
Ford E-350 Club Wagon XLT 2003
Ford E-350 Club Wagon XLT 2004
Ford E-350 Club Wagon XLT 2005
Ford E-350 Econoline Club Wagon Chateau 1999
Ford E-350 Econoline Club Wagon Chateau 2000
Ford E-350 Econoline Club Wagon Chateau 2001
Ford E-350 Econoline Club Wagon Chateau 2002
Ford E-350 Econoline Club Wagon Custom 1999
Ford E-350 Econoline Club Wagon Custom 2000
Ford E-350 Econoline Club Wagon XL 2001
Ford E-350 Econoline Club Wagon XL 2002
Ford E-350 Econoline Club Wagon XLT 1999
Ford E-350 Econoline Club Wagon XLT 2000
Ford E-350 Econoline Club Wagon XLT 2001
Ford E-350 Econoline Club Wagon XLT 2002
Ford E-350 Super Duty Base 1999
Ford E-350 Super Duty Base 2000
Ford E-350 Super Duty Base 2001
Ford E-350 Super Duty Base 2002
Ford E-350 Super Duty Base 2003
Ford E-350 Super Duty Base 2004
Ford E-350 Super Duty Base 2005
Ford E-350 Super Duty Base 2006
Ford E-350 Super Duty Base 2007
Ford E-350 Super Duty Base 2008
Ford E-350 Super Duty Base 2009
Ford E-350 Super Duty Base 2010
Ford E-350 Super Duty Chateau 2006
Ford E-350 Super Duty XL 1999
Ford E-350 Super Duty XL 2000
Ford E-350 Super Duty XL 2006
Ford E-350 Super Duty XL 2007
Ford E-350 Super Duty XL 2008
Ford E-350 Super Duty XL 2009
Ford E-350 Super Duty XL 2010
Ford E-350 Super Duty XLT 2006
Ford E-350 Super Duty XLT 2007
Ford E-350 Super Duty XLT 2008
Ford E-350 Super Duty XLT 2009
Ford E-350 Super Duty XLT 2010
Ford Excursion Eddie Bauer 2003
Ford Excursion Eddie Bauer 2004
Ford Excursion Eddie Bauer 2005
Ford Excursion Limited 2000
Ford Excursion Limited 2001
Ford Excursion Limited 2002
Ford Excursion Limited 2003
Ford Excursion Limited 2004
Ford Excursion Limited 2005
Ford Excursion XLS 2004
Ford Excursion XLS 2005
Ford Excursion XLT 2000
Ford Excursion XLT 2001
Ford Excursion XLT 2002
Ford Excursion XLT 2003
Ford Excursion XLT 2004
Ford Excursion XLT 2005
Ford F-150 Base 2000
Ford F-150 FX2 2007
Ford F-150 FX2 2008
Ford F-150 FX2 2010
Ford F-150 FX4 2004
Ford F-150 FX4 2005
Ford F-150 FX4 2006
Ford F-150 FX4 2007
Ford F-150 FX4 2009
Ford F-150 FX4 2010
Ford F-150 Harley-Davidson Edition 2000
Ford F-150 Harley-Davidson Edition 2001
Ford F-150 Harley-Davidson Edition 2002
Ford F-150 Harley-Davidson Edition 2003
Ford F-150 Harley-Davidson Edition 2006
Ford F-150 Harley-Davidson Edition 2007
Ford F-150 Harley-Davidson Edition 2008
Ford F-150 Harley-Davidson Edition 2010
Ford F-150 King Ranch 2001
Ford F-150 King Ranch 2002
Ford F-150 King Ranch 2003
Ford F-150 King Ranch 2005
Ford F-150 King Ranch 2006
Ford F-150 King Ranch 2007
Ford F-150 King Ranch 2008
Ford F-150 King Ranch 2009
Ford F-150 King Ranch 2010
Ford F-150 Lariat 2000
Ford F-150 Lariat 2001
Ford F-150 Lariat 2002
Ford F-150 Lariat 2003
Ford F-150 Lariat 2004
Ford F-150 Lariat 2005
Ford F-150 Lariat 2006
Ford F-150 Lariat 2007
Ford F-150 Lariat 2008
Ford F-150 Lariat 2009
Ford F-150 Lariat 2010
Ford F-150 Lightning 2000
Ford F-150 Lightning 2001
Ford F-150 Lightning 2002
Ford F-150 Lightning 2003
Ford F-150 Limited 2008
Ford F-150 Platinum 2009
Ford F-150 Platinum 2010
Ford F-150 STX 2004
Ford F-150 STX 2005
Ford F-150 STX 2006
Ford F-150 STX 2007
Ford F-150 STX 2008
Ford F-150 STX 2009
Ford F-150 STX 2010
Ford F-150 SVT Raptor 2010
Ford F-150 THE 60TH ANNIVERSARY EDITION 2008
Ford F-150 XL 2000
Ford F-150 XL 2001
Ford F-150 XL 2002
Ford F-150 XL 2003
Ford F-150 XL 2004
Ford F-150 XL 2005
Ford F-150 XL 2006
Ford F-150 XL 2007
Ford F-150 XL 2008
Ford F-150 XL 2009
Ford F-150 XL 2010
Ford F-150 XLT 2000
Ford F-150 XLT 2001
Ford F-150 XLT 2002
Ford F-150 XLT 2003
Ford F-150 XLT 2004
Ford F-150 XLT 2005
Ford F-150 XLT 2006
Ford F-150 XLT 2007
Ford F-150 XLT 2008
Ford F-150 XLT 2009
Ford F-150 XLT 2010
Ford F-150 Heritage SVT Lightning 2004
Ford F-150 Heritage XL 2004
Ford F-150 Heritage XLT 2004
Ford F-250 Base 1999
Ford F-250 Lariat 1999
Ford F-250 XL 1999
Ford F-250 XLT 1999
Ford F-250 Super Duty Cabela's 2009
Ford F-250 Super Duty Cabela's 2010
Ford F-250 Super Duty FX4 2008
Ford F-250 Super Duty FX4 2009
Ford F-250 Super Duty Harley-Davidson Edition 2004
Ford F-250 Super Duty Harley-Davidson Edition 2005
Ford F-250 Super Duty Harley-Davidson Edition 2006
Ford F-250 Super Duty Harley-Davidson Edition 2007
Ford F-250 Super Duty Harley-Davidson Edition 2008
Ford F-250 Super Duty Harley-Davidson Edition 2009
Ford F-250 Super Duty Harley-Davidson Edition 2010
Ford F-250 Super Duty King Ranch 2004
Ford F-250 Super Duty King Ranch 2005
Ford F-250 Super Duty King Ranch 2006
Ford F-250 Super Duty King Ranch 2007
Ford F-250 Super Duty King Ranch 2008
Ford F-250 Super Duty King Ranch 2009
Ford F-250 Super Duty King Ranch 2010
Ford F-250 Super Duty Lariat 1999
Ford F-250 Super Duty Lariat 2000
Ford F-250 Super Duty Lariat 2001
Ford F-250 Super Duty Lariat 2002
Ford F-250 Super Duty Lariat 2003
Ford F-250 Super Duty Lariat 2004
Ford F-250 Super Duty Lariat 2005
Ford F-250 Super Duty Lariat 2006
Ford F-250 Super Duty Lariat 2007
Ford F-250 Super Duty Lariat 2008
Ford F-250 Super Duty Lariat 2009
Ford F-250 Super Duty Lariat 2010
Ford F-250 Super Duty XL 1999
Ford F-250 Super Duty XL 2000
Ford F-250 Super Duty XL 2001
Ford F-250 Super Duty XL 2002
Ford F-250 Super Duty XL 2003
Ford F-250 Super Duty XL 2004
Ford F-250 Super Duty XL 2005
Ford F-250 Super Duty XL 2006
Ford F-250 Super Duty XL 2007
Ford F-250 Super Duty XL 2008
Ford F-250 Super Duty XL 2009
Ford F-250 Super Duty XL 2010
Ford F-250 Super Duty XLT 1999
Ford F-250 Super Duty XLT 2000
Ford F-250 Super Duty XLT 2001
Ford F-250 Super Duty XLT 2002
Ford F-250 Super Duty XLT 2003
Ford F-250 Super Duty XLT 2004
Ford F-250 Super Duty XLT 2005
Ford F-250 Super Duty XLT 2006
Ford F-250 Super Duty XLT 2007
Ford F-250 Super Duty XLT 2008
Ford F-250 Super Duty XLT 2009
Ford F-250 Super Duty XLT 2010
Ford F-350 Super Duty Cabela's 2009
Ford F-350 Super Duty Cabela's 2010
Ford F-350 Super Duty FX4 2008
Ford F-350 Super Duty FX4 2009
Ford F-350 Super Duty Harley-Davidson Edition 2004
Ford F-350 Super Duty Harley-Davidson Edition 2005
Ford F-350 Super Duty Harley-Davidson Edition 2006
Ford F-350 Super Duty Harley-Davidson Edition 2007
Ford F-350 Super Duty Harley-Davidson Edition 2008
Ford F-350 Super Duty Harley-Davidson Edition 2009
Ford F-350 Super Duty Harley-Davidson Edition 2010
Ford F-350 Super Duty King Ranch 2003
Ford F-350 Super Duty King Ranch 2004
Ford F-350 Super Duty King Ranch 2005
Ford F-350 Super Duty King Ranch 2006
Ford F-350 Super Duty King Ranch 2007
Ford F-350 Super Duty King Ranch 2008
Ford F-350 Super Duty King Ranch 2009
Ford F-350 Super Duty King Ranch 2010
Ford F-350 Super Duty Lariat 1999
Ford F-350 Super Duty Lariat 2000
Ford F-350 Super Duty Lariat 2001
Ford F-350 Super Duty Lariat 2002
Ford F-350 Super Duty Lariat 2003
Ford F-350 Super Duty Lariat 2004
Ford F-350 Super Duty Lariat 2005
Ford F-350 Super Duty Lariat 2006
Ford F-350 Super Duty Lariat 2007
Ford F-350 Super Duty Lariat 2008
Ford F-350 Super Duty Lariat 2009
Ford F-350 Super Duty Lariat 2010
Ford F-350 Super Duty XL 1999
Ford F-350 Super Duty XL 2000
Ford F-350 Super Duty XL 2001
Ford F-350 Super Duty XL 2002
Ford F-350 Super Duty XL 2003
Ford F-350 Super Duty XL 2004
Ford F-350 Super Duty XL 2005
Ford F-350 Super Duty XL 2006
Ford F-350 Super Duty XL 2007
Ford F-350 Super Duty XL 2008
Ford F-350 Super Duty XL 2009
Ford F-350 Super Duty XL 2010
Ford F-350 Super Duty XLT 1999
Ford F-350 Super Duty XLT 2000
Ford F-350 Super Duty XLT 2001
Ford F-350 Super Duty XLT 2002
Ford F-350 Super Duty XLT 2003
Ford F-350 Super Duty XLT 2004
Ford F-350 Super Duty XLT 2005
Ford F-350 Super Duty XLT 2006
Ford F-350 Super Duty XLT 2007
Ford F-350 Super Duty XLT 2008
Ford F-350 Super Duty XLT 2009
Ford F-350 Super Duty XLT 2010