Timbren 1990 Ford F Super Duty Rear Suspension Enhancement System

Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind. Suspension Enhancement System; Weight Capacity 8000 lbs.; Rear; Severe Service-Slide-In Camper Or Salt Spreader; Rear Severe Service Kit

• Leaders In Rubber Spring Technology Since 1965
• Eliminate Vehicle Squatting & Sagging
• Cushion Road Shocks
• Lifetime Warranty
• Improve Handling

Upgrade your truck’s rear suspension with the Timbren FRTT350F Suspension Enhancement System, engineered for Ford F-250 Super Duty applications. Designed for severe-service use with slide-in campers or salt spreaders, this rear kit helps support loads up to 8,000 pounds while improving handling, stability, and overall suspension performance. Timbren has been a leader in rubber spring technology since 1965, delivering durable solutions for demanding automotive and towing applications.
The Timbren SES Kit uses progressive rubber springs that automatically adjust to changing loads and road conditions. These cushions help absorb road shocks, reduce suspension settling, and minimize vehicle squatting and sagging under load. The result is improved ride control and greater confidence when hauling heavy equipment, carrying a camper, or operating a salt spreader. The system is designed to work with your vehicle’s existing suspension and does not require airlines, fittings, or compressors that can leak or require maintenance.
Installation is straightforward and requires no drilling, air-line routing, or specialized equipment. The Timbren FRTT350F can be installed using basic hand tools, making it a practical suspension upgrade for both professional and home mechanics. Once installed, the maintenance-free rubber springs provide long-term performance with a lifetime warranty. Verify vehicle application before ordering; this kit fits select Ford F-250 Super Duty models from 2005 through 2014, including the listed model-year configurations.

Features:

• Brand: Timbren

• Part Number: FRTT350F

• Application: Rear suspension enhancement system for Ford F-250 Super Duty

• Weight Capacity: Supports loads up to 8,000 pounds

• Service Type: Severe-service application for slide-in campers or salt spreaders

• Load Support: Helps reduce vehicle squatting, sagging, and suspension settling

• Ride Control: Rubber springs cushion road shocks and adjust automatically to changing loads

• Installation: No drilling, airlines, fittings, or compressors required

• Maintenance: Maintenance-free design with no air leaks to inspect or repair

• Handling: Helps improve stability, handling, and towing confidence

• Warranty: Lifetime warranty

Fitment:
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 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 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 King Ranch 2011
Ford F-250 Super Duty King Ranch 2012
Ford F-250 Super Duty King Ranch 2013
Ford F-250 Super Duty King Ranch 2014
Ford F-250 Super Duty King Ranch 2015
Ford F-250 Super Duty King Ranch 2016
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 Lariat 2011
Ford F-250 Super Duty Lariat 2012
Ford F-250 Super Duty Lariat 2013
Ford F-250 Super Duty Lariat 2014
Ford F-250 Super Duty Lariat 2015
Ford F-250 Super Duty Lariat 2016
Ford F-250 Super Duty Platinum 2013
Ford F-250 Super Duty Platinum 2014
Ford F-250 Super Duty Platinum 2015
Ford F-250 Super Duty Platinum 2016
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 XL 2011
Ford F-250 Super Duty XL 2012
Ford F-250 Super Duty XL 2013
Ford F-250 Super Duty XL 2014
Ford F-250 Super Duty XL 2015
Ford F-250 Super Duty XL 2016
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-250 Super Duty XLT 2011
Ford F-250 Super Duty XLT 2012
Ford F-250 Super Duty XLT 2013
Ford F-250 Super Duty XLT 2014
Ford F-250 Super Duty XLT 2015
Ford F-250 Super Duty XLT 2016
Ford F-350 Base 1970
Ford F-350 Base 1971
Ford F-350 Base 1972
Ford F-350 Base 1973
Ford F-350 Base 1974
Ford F-350 Base 1976
Ford F-350 Base 1977
Ford F-350 Base 1978
Ford F-350 Base 1983
Ford F-350 Base 1984
Ford F-350 Base 1985
Ford F-350 Base 1986
Ford F-350 Base 1997
Ford F-350 Custom 1975
Ford F-350 Custom 1976
Ford F-350 Custom 1977
Ford F-350 Custom 1978
Ford F-350 Custom 1979
Ford F-350 Custom 1980
Ford F-350 Custom 1981
Ford F-350 Custom 1982
Ford F-350 Custom 1987
Ford F-350 Custom 1988
Ford F-350 Custom 1989
Ford F-350 Custom 1990
Ford F-350 Custom 1991
Ford F-350 Custom 1992
Ford F-350 Northland 1975
Ford F-350 Northland 1976
Ford F-350 Northland 1977
Ford F-350 Northland 1978
Ford F-350 Ranger 1975
Ford F-350 Ranger 1976
Ford F-350 Ranger 1977
Ford F-350 Ranger 1978
Ford F-350 Ranger 1979
Ford F-350 Ranger 1980
Ford F-350 Ranger 1981
Ford F-350 Ranger Lariat 1978
Ford F-350 Ranger Lariat 1979
Ford F-350 Ranger Lariat 1980
Ford F-350 Ranger Lariat 1981
Ford F-350 Ranger XLT 1975
Ford F-350 Ranger XLT 1976
Ford F-350 Ranger XLT 1977
Ford F-350 Ranger XLT 1978
Ford F-350 Ranger XLT 1979
Ford F-350 Ranger XLT 1980
Ford F-350 Ranger XLT 1981
Ford F-350 XL 1982
Ford F-350 XL 1983
Ford F-350 XL 1984
Ford F-350 XL 1985
Ford F-350 XL 1986
Ford F-350 XL 1987
Ford F-350 XL 1988
Ford F-350 XL 1989
Ford F-350 XL 1990
Ford F-350 XL 1991
Ford F-350 XL 1992
Ford F-350 XL 1993
Ford F-350 XL 1994
Ford F-350 XL 1995
Ford F-350 XL 1996
Ford F-350 XL 1997
Ford F-350 XLS 1982
Ford F-350 XLS 1983
Ford F-350 XLT 1977
Ford F-350 XLT 1983
Ford F-350 XLT 1984
Ford F-350 XLT Lariat 1982
Ford F-350 XLT Lariat 1985
Ford F-350 XLT Lariat 1986
Ford F-350 XLT Lariat 1987
Ford F-350 XLT Lariat 1988
Ford F-350 XLT Lariat 1989
Ford F-350 XLT Lariat 1990
Ford F-350 XLT Lariat 1991
Ford F-350 XLT Lariat 1992
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 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 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 King Ranch 2011
Ford F-350 Super Duty King Ranch 2012
Ford F-350 Super Duty King Ranch 2013
Ford F-350 Super Duty King Ranch 2014
Ford F-350 Super Duty King Ranch 2015
Ford F-350 Super Duty King Ranch 2016
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 Lariat 2011
Ford F-350 Super Duty Lariat 2012
Ford F-350 Super Duty Lariat 2013
Ford F-350 Super Duty Lariat 2014
Ford F-350 Super Duty Lariat 2015
Ford F-350 Super Duty Lariat 2016
Ford F-350 Super Duty Platinum 2013
Ford F-350 Super Duty Platinum 2014
Ford F-350 Super Duty Platinum 2015
Ford F-350 Super Duty Platinum 2016
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 XL 2011
Ford F-350 Super Duty XL 2012
Ford F-350 Super Duty XL 2013
Ford F-350 Super Duty XL 2014
Ford F-350 Super Duty XL 2015
Ford F-350 Super Duty XL 2016
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
Ford F-350 Super Duty XLT 2011
Ford F-350 Super Duty XLT 2012
Ford F-350 Super Duty XLT 2013
Ford F-350 Super Duty XLT 2014
Ford F-350 Super Duty XLT 2015
Ford F-350 Super Duty XLT 2016