Yukon Gear High Performance Gear Set For 10 & Down Ford 10.5in in a 4.30 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 4.30 R&P '99-'10 w/ 31spl PINION Fits, Fitments 1999 Ford E-250 Econoline Base 1999 Ford E-250 Econoline XL 1999 Ford E-350 Econoline Club Wagon Chateau 1999 Ford E-350 Econoline Club Wagon Custom 1999 Ford E-350 Econoline Club Wagon XLT 1999 Ford E-350 Super Duty Base 1999 Ford E-350 Super Duty XL 1999 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 Lariat 1999 Ford F-250 Super Duty XL 1999 Ford F-250 Super Duty XLT 1999 Ford F-350 Super Duty Lariat 1999 Ford F-350 Super Duty XL 1999 Ford F-350 Super Duty XLT 2000 Ford E-250 Econoline Base 2000 Ford E-250 Econoline XL 2000 Ford E-350 Econoline Club Wagon Chateau 2000 Ford E-350 Econoline Club Wagon Custom 2000 Ford E-350 Econoline Club Wagon XLT 2000 Ford E-350 Super Duty Base 2000 Ford E-350 Super Duty XL 2000 Ford Excursion Limited 2000 Ford Excursion XLT 2000 Ford F-150 Base 2000 Ford F-150 Harley-Davidson Edition 2000 Ford F-150 Lariat 2000 Ford F-150 Lightning 2000 Ford F-150 XL 2000 Ford F-150 XLT 2000 Ford F-250 Super Duty Lariat 2000 Ford F-250 Super Duty XL 2000 Ford F-250 Super Duty XLT 2000 Ford F-350 Super Duty Lariat 2000 Ford F-350 Super Duty XL 2000 Ford F-350 Super Duty XLT 2001 Ford E-250 Econoline Base 2001 Ford E-350 Econoline Club Wagon Chateau 2001 Ford E-350 Econoline Club Wagon XL 2001 Ford E-350 Econoline Club Wagon XLT 2001 Ford E-350 Super Duty Base 2001 Ford Excursion Limited 2001 Ford Excursion XLT 2001 Ford F-150 Harley-Davidson Edition 2001 Ford F-150 King Ranch 2001 Ford F-150 Lariat 2001 Ford F-150 Lightning 2001 Ford F-150 XL 2001 Ford F-150 XLT 2001 Ford F-250 Super Duty Lariat 2001 Ford F-250 Super Duty XL 2001 Ford F-250 Super Duty XLT 2001 Ford F-350 Super Duty Lariat 2001 Ford F-350 Super Duty XL 2001 Ford F-350 Super Duty XLT 2002 Ford E-250 Econoline Base 2002 Ford E-350 Econoline Club Wagon Chateau 2002 Ford E-350 Econoline Club Wagon XL 2002 Ford E-350 Econoline Club Wagon XLT 2002 Ford E-350 Super Duty Base 2002 Ford Excursion Limited 2002 Ford Excursion XLT 2002 Ford F-150 Harley-Davidson Edition 2002 Ford F-150 King Ranch 2002 Ford F-150 Lariat 2002 Ford F-150 Lightning 2002 Ford F-150 XL 2002 Ford F-150 XLT 2002 Ford F-250 Super Duty Lariat 2002 Ford F-250 Super Duty XL 2002 Ford F-250 Super Duty XLT 2002 Ford F-350 Super Duty Lariat 2002 Ford F-350 Super Duty XL 2002 Ford F-350 Super Duty XLT 2003 Ford E-250 Base 2003 Ford E-350 Club Wagon Chateau 2003 Ford E-350 Club Wagon XL 2003 Ford E-350 Club Wagon XLT 2003 Ford E-350 Super Duty Base 2003 Ford Excursion Eddie Bauer 2003 Ford Excursion Limited 2003 Ford Excursion XLT 2003 Ford F-150 Harley-Davidson Edition 2003 Ford F-150 King Ranch 2003 Ford F-150 Lariat 2003 Ford F-150 Lightning 2003 Ford F-150 XL 2003 Ford F-150 XLT 2003 Ford F-250 Super Duty Lariat 2003 Ford F-250 Super Duty XL 2003 Ford F-250 Super Duty XLT 2003 Ford F-350 Super Duty King Ranch 2003 Ford F-350 Super Duty Lariat 2003 Ford F-350 Super Duty XL 2003 Ford F-350 Super Duty XLT 2004 Ford E-250 Base 2004 Ford E-350 Club Wagon Chateau 2004 Ford E-350 Club Wagon XL 2004 Ford E-350 Club Wagon XLT 2004 Ford E-350 Super Duty Base 2004 Ford Excursion Eddie Bauer 2004 Ford Excursion Limited 2004 Ford Excursion XLS 2004 Ford Excursion XLT 2004 Ford F-150 FX4 2004 Ford F-150 Lariat 2004 Ford F-150 STX 2004 Ford F-150 XL 2004 Ford F-150 XLT 2004 Ford F-150 Heritage SVT Lightning 2004 Ford F-150 Heritage XL 2004 Ford F-150 Heritage XLT 2004 Ford F-250 Super Duty Harley-Davidson Edition 2004 Ford F-250 Super Duty King Ranch 2004 Ford F-250 Super Duty Lariat 2004 Ford F-250 Super Duty XL 2004 Ford F-250 Super Duty XLT 2004 Ford F-350 Super Duty Harley-Davidson Edition 2004 Ford F-350 Super Duty King Ranch 2004 Ford F-350 Super Duty Lariat 2004 Ford F-350 Super Duty XL 2004 Ford F-350 Super Duty XLT 2005 Ford E-250 Base 2005 Ford E-350 Club Wagon Chateau 2005 Ford E-350 Club Wagon XL 2005 Ford E-350 Club Wagon XLT 2005 Ford E-350 Super Duty Base 2005 Ford Excursion Eddie Bauer 2005 Ford Excursion Limited 2005 Ford Excursion XLS 2005 Ford Excursion XLT 2005 Ford F-150 FX4 2005 Ford F-150 King Ranch 2005 Ford F-150 Lariat 2005 Ford F-150 STX 2005 Ford F-150 XL 2005 Ford F-150 XLT 2005 Ford F-250 Super Duty Harley-Davidson Edition 2005 Ford F-250 Super Duty King Ranch 2005 Ford F-250 Super Duty Lariat 2005 Ford F-250 Super Duty XL 2005 Ford F-250 Super Duty XLT 2005 Ford F-350 Super Duty Harley-Davidson Edition 2005 Ford F-350 Super Duty King Ranch 2005 Ford F-350 Super Duty Lariat 2005 Ford F-350 Super Duty XL 2005 Ford F-350 Super Duty XLT 2006 Ford E-250 Base 2006 Ford E-350 Super Duty Base 2006 Ford E-350 Super Duty Chateau 2006 Ford E-350 Super Duty XL 2006 Ford E-350 Super Duty XLT 2006 Ford F-150 FX4 2006 Ford F-150 Harley-Davidson Edition 2006 Ford F-150 King Ranch 2006 Ford F-150 Lariat 2006 Ford F-150 STX 2006 Ford F-150 XL 2006 Ford F-150 XLT 2006 Ford F-250 Super Duty Harley-Davidson Edition 2006 Ford F-250 Super Duty King Ranch 2006 Ford F-250 Super Duty Lariat 2006 Ford F-250 Super Duty XL 2006 Ford F-250 Super Duty XLT 2006 Ford F-350 Super Duty Harley-Davidson Edition 2006 Ford F-350 Super Duty King Ranch 2006 Ford F-350 Super Duty Lariat 2006 Ford F-350 Super Duty XL 2006 Ford F-350 Super Duty XLT 2007 Ford E-250 Base 2007 Ford E-350 Super Duty Base 2007 Ford E-350 Super Duty XL 2007 Ford E-350 Super Duty XLT 2007 Ford F-150 FX2 2007 Ford F-150 FX4 2007 Ford F-150 Harley-Davidson Edition 2007 Ford F-150 King Ranch 2007 Ford F-150 Lariat 2007 Ford F-150 STX 2007 Ford F-150 XL 2007 Ford F-150 XLT 2007 Ford F-250 Super Duty Harley-Davidson Edition 2007 Ford F-250 Super Duty King Ranch 2007 Ford F-250 Super Duty Lariat 2007 Ford F-250 Super Duty XL 2007 Ford F-250 Super Duty XLT 2007 Ford F-350 Super Duty Harley-Davidson Edition 2007 Ford F-350 Super Duty King Ranch 2007 Ford F-350 Super Duty Lariat 2007 Ford F-350 Super Duty XL 2007 Ford F-350 Super Duty XLT 2008 Ford E-250 Base 2008 Ford E-350 Super Duty Base 2008 Ford E-350 Super Duty XL 2008 Ford E-350 Super Duty XLT 2008 Ford F-150 FX2 2008 Ford F-150 Harley-Davidson Edition 2008 Ford F-150 King Ranch 2008 Ford F-150 Lariat 2008 Ford F-150 Limited 2008 Ford F-150 STX 2008 Ford F-150 THE 60TH ANNIVERSARY EDITION 2008 Ford F-150 XL 2008 Ford F-150 XLT 2008 Ford F-250 Super Duty FX4 2008 Ford F-250 Super Duty Harley-Davidson Edition 2008 Ford F-250 Super Duty King Ranch 2008 Ford F-250 Super Duty Lariat 2008 Ford F-250 Super Duty XL 2008 Ford F-250 Super Duty XLT 2008 Ford F-350 Super Duty FX4 2008 Ford F-350 Super Duty Harley-Davidson Edition 2008 Ford F-350 Super Duty King Ranch 2008 Ford F-350 Super Duty Lariat 2008 Ford F-350 Super Duty XL 2008 Ford F-350 Super Duty XLT 2009 Ford E-250 Base 2009 Ford E-350 Super Duty Base 2009 Ford E-350 Super Duty XL 2009 Ford E-350 Super Duty XLT 2009 Ford F-150 FX4 2009 Ford F-150 King Ranch 2009 Ford F-150 Lariat 2009 Ford F-150 Platinum 2009 Ford F-150 STX 2009 Ford F-150 XL 2009 Ford F-150 XLT 2009 Ford F-250 Super Duty Cabela's 2009 Ford F-250 Super Duty FX4 2009 Ford F-250 Super Duty Harley-Davidson Edition 2009 Ford F-250 Super Duty King Ranch 2009 Ford F-250 Super Duty Lariat 2009 Ford F-250 Super Duty XL 2009 Ford F-250 Super Duty XLT 2009 Ford F-350 Super Duty Cabela's 2009 Ford F-350 Super Duty FX4 2009 Ford F-350 Super Duty Harley-Davidson Edition 2009 Ford F-350 Super Duty King Ranch 2009 Ford F-350 Super Duty Lariat 2009 Ford F-350 Super Duty XL 2009 Ford F-350 Super Duty XLT 2010 Ford E-250 Base 2010 Ford E-350 Super Duty Base 2010 Ford E-350 Super Duty XL 2010 Ford E-350 Super Duty XLT 2010 Ford F-150 FX2 2010 Ford F-150 FX4 2010 Ford F-150 Harley-Davidson Edition 2010 Ford F-150 King Ranch 2010 Ford F-150 Lariat 2010 Ford F-150 Platinum 2010 Ford F-150 STX 2010 Ford F-150 SVT Raptor 2010 Ford F-150 XL 2010 Ford F-150 XLT 2010 Ford F-250 Super Duty Cabela's 2010 Ford F-250 Super Duty Harley-Davidson Edition 2010 Ford F-250 Super Duty King Ranch 2010 Ford F-250 Super Duty Lariat 2010 Ford F-250 Super Duty XL 2010 Ford F-250 Super Duty XLT 2010 Ford F-350 Super Duty Cabela's 2010 Ford F-350 Super Duty Harley-Davidson Edition 2010 Ford F-350 Super Duty King Ranch 2010 Ford F-350 Super Duty Lariat 2010 Ford F-350 Super Duty XL 2010 Ford F-350 Super Duty XLT