Ford Racing 8.8 Inch 3.31 Ring Gear and Pinion

Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. Fitment: Ford Aerostar Base 1990 to 1997 Ford Aerostar Eddie Bauer 1990 to 1994 Ford Aerostar XL 1990 to 1994 Ford Aerostar XL Plus 1990 to 1994 Ford Aerostar XL Sport 1991 to 1994 Ford Aerostar XLT 1990 to 1997 Ford Aerostar XLT Plus 1990 to 1997 Ford Aerostar XLT Sport 1991 to 1997 Ford Bronco Custom 1983 to 1993 Ford Bronco Eddie Bauer 1985 to 1996 Ford Bronco XL 1990 to 1996 Ford Bronco XLS 1983 Ford Bronco XLT 1984 to 1992 Ford Bronco XLT 1994 to 1996 Ford Bronco XLT Lariat 1983 Ford Bronco XLT Lariat 1993 Ford Bronco XLT Nite 1992 Ford Bronco XLT Sport 1995 to 1996 Ford Crown Victoria Base 1992 to 2008 Ford Crown Victoria Base 2010 to 2011 Ford Crown Victoria Fleet 2006 to 2009 Ford Crown Victoria LWB 2002 to 2009 Ford Crown Victoria LX 1992 to 2011 Ford Crown Victoria LX Sport 2004 to 2006 Ford Crown Victoria Police Interceptor 1993 to 2011 Ford Crown Victoria S 1992 to 2005 Ford Crown Victoria Special Edition 2005 Ford Crown Victoria Touring Sedan 1992 Ford E-150 Base 2003 to 2010 Ford E-150 Chateau 2006 to 2007 Ford E-150 XL 2006 to 2010 Ford E-150 XLT 2006 to 2010 Ford E-150 Club Wagon Chateau 2003 to 2005 Ford E-150 Club Wagon XL 2003 to 2005 Ford E-150 Club Wagon XLT 2003 to 2005 Ford E-150 Econoline Base 1984 to 1986 Ford E-150 Econoline Base 1992 to 2002 Ford E-150 Econoline Custom 1983 Ford E-150 Econoline Custom 1987 to 1991 Ford E-150 Econoline XL 1983 to 2000 Ford E-150 Econoline Club Wagon Base 1984 to 1986 Ford E-150 Econoline Club Wagon Chateau 1992 to 2002 Ford E-150 Econoline Club Wagon Custom 1983 Ford E-150 Econoline Club Wagon Custom 1987 to 2000 Ford E-150 Econoline Club Wagon XL 1983 to 1991 Ford E-150 Econoline Club Wagon XL 2001 to 2002 Ford E-150 Econoline Club Wagon XLT 1984 to 2002 Ford E-250 Econoline Base 1985 Ford E-250 Econoline Custom 1989 Ford E-250 Econoline XL 1985 Ford E-250 Econoline XL 1989 Ford Expedition Eddie Bauer 1997 to 2004 Ford Expedition NBX 2004 Ford Expedition XLS 2004 Ford Expedition XLT 1997 to 2004 Ford Expedition XLT Sport 2004 Ford Explorer Eddie Bauer 1991 to 2001 Ford Explorer Expedition 1995 Ford Explorer Limited 1993 to 2001 Ford Explorer Postal 2000 to 2001 Ford Explorer Sport 1991 to 2000 Ford Explorer XL 1991 to 1999 Ford Explorer XL Fleet 2000 to 2001 Ford Explorer XLS 1999 to 2001 Ford Explorer XLT 1991 to 2001 Ford Explorer Sport Base 2001 Ford Explorer Sport Trac Adrenalin 2005 Ford Explorer Sport Trac Base 2001 Ford Explorer Sport Trac Limited 2007 to 2010 Ford Explorer Sport Trac XL 2002 Ford Explorer Sport Trac XLS 2003 to 2005 Ford Explorer Sport Trac XLT 2003 to 2005 Ford Explorer Sport Trac XLT 2007 to 2010 Ford F-150 Base 1983 to 1986 Ford F-150 Base 1997 to 2000 Ford F-150 Custom 1987 to 1992 Ford F-150 Eddie Bauer 1995 to 1996 Ford F-150 FX2 2008 Ford F-150 FX2 2010 Ford F-150 King Ranch 2001 to 2003 Ford F-150 Lariat 1997 to 2003 Ford F-150 Lightning 1993 to 1995 Ford F-150 Special 1995 to 1996 Ford F-150 STX 2004 to 2011 Ford F-150 THE 60TH ANNIVERSARY EDITION 2008 Ford F-150 XL 1983 to 2011 Ford F-150 XLS 1983 Ford F-150 XLT 1983 to 1984 Ford F-150 XLT 1993 to 2011 Ford F-150 XLT Lariat 1985 to 1992 Ford Mustang Base 2011 to 2014 Ford Mustang Boss 302 2012 to 2013 Ford Mustang Bullitt 2008 to 2009 Ford Mustang GT 2005 to 2014 Ford Mustang Shelby GT 2007 to 2008 Ford Mustang Shelby GT500 2007 to 2012 Ford Mustang Shelby GT500KR 2008 to 2009 Ford Ranger Custom 1990 to 1992 Ford Ranger Edge 2001 to 2005 Ford Ranger FX4 2005 to 2009 Ford Ranger S 1990 to 1992 Ford Ranger S Plus 1990 Ford Ranger Splash 1993 to 1998 Ford Ranger Sport 1991 to 1993 Ford Ranger Sport 1997 Ford Ranger Sport 2006 to 2011 Ford Ranger STX 1990 to 1997 Ford Ranger STX 2005 to 2007 Ford Ranger Tremor 2004 Ford Ranger XL 1993 to 2011 Ford Ranger XL Sport 1995 Ford Ranger XLT 1990 to 2011 Ford Thunderbird Turbo 1987 to 1988 Lincoln Town Car Anniversary 1996 Lincoln Town Car Base 1983 to 1999 Lincoln Town Car Cartier 1983 to 2003 Lincoln Town Car Cartier L 2001 to 2003 Lincoln Town Car Cypress 1990 to 1995 Lincoln Town Car Designer Series 2006 to 2007 Lincoln Town Car Executive 1990 to 2010 Lincoln Town Car Executive L 2001 to 2011 Lincoln Town Car Executive Protection Series 2003 Lincoln Town Car Jack Nicklaus 1993 Lincoln Town Car Protection Series 2004 to 2006 Lincoln Town Car Signature 1983 to 2007 Lincoln Town Car Signature L 2005 to 2011 Lincoln Town Car Signature Limited 2005 to 2011 Lincoln Town Car Signature SE 1989 Lincoln Town Car Touring Edition 1990 to 1995 Lincoln Town Car Touring Edition 1997 Lincoln Town Car Tournament Edition 1994 Lincoln Town Car Ultimate 2004 Lincoln Town Car Ultimate L 2004 Mercury Capri 5.0 1986 Mercury Cougar Base 1983 to 1986 Mercury Cougar LS 1983 to 1988 Mercury Cougar LS 1991 to 1992 Mercury Cougar XR-7 1987 to 1988 Mercury Cougar XR-7 1991 to 1997 Mercury Grand Marquis Base 1983 to 1986 Mercury Grand Marquis Colony Park 1983 to 1986 Mercury Grand Marquis GS 1987 to 2008 Mercury Grand Marquis GSL 2005 Mercury Grand Marquis Limited Edition 2005 Mercury Grand Marquis LS 1983 to 2011 Mercury Grand Marquis LSE 2003 Mercury Grand Marquis Ultimate Edition 2005 Mercury Mountaineer Base 1998 to 2004 Mercury Mountaineer Base 2007 to 2010 Mercury Mountaineer Convenience 2005 to 2006 Mercury Mountaineer Luxury 2005 to 2006 Mercury Mountaineer Premier 2004 to 2010