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Timbren
®
SES
Suspension Enhancement Systems
Timbren
®
Suspension Enhancement Systems
Model
Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
G2500-CHEVY, EXPRESS,
SAVANA
1996-02
GMFC1588H GMRG25C
—
—
6 bolt wheel
G2500-CHEVY, SAVANA
DIESEL
1996-02
GMFC1588H GMRG35
—
—
8 bolt wheel
G30 / 3500
1975-96
GMFG20
GMRG35
—
—
Box frame - van body
G3500-CHEVY, EXPRESS,
SAVANA
2003-15
GMFK15A
GMRG35
GMFK15A
GMRKG35
1996-02
GMFC1588H GMRG35
—
—
LUMINA (Car), GRANDPRIX
(Car)
1992-96
—
GMRLUM —
—
LUMINA APV, TRANS SPORT,
SILHOUETTE
1990-96
—
GMRAPV
—
—
UPLANDER,
TERRAZA,MONTANA SV6,
RELAY
2005-09
—
GMRAZT
(p)
—
GMRUPL
(p)
VENTURE, MONTANA, TRANS
SPORT, SILHOUETTE
1997-04
—
GMRAZT
(p)
—
GMRREN
(p) Excluding air shocks
Cutaway Van, Motor Home
Model
Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
G30, G3500
1975-96
GMFG20
GMFG20
GMRG30
GMRG30LB
Channel frame
1975-96
GMFG20
GMFG20
GMRG30
GMRG30LB
Channel frame
G3500
1998-02
GMFC1588H GMFC1588H GMRG30
GMRG30LB
Channel frame
1997-98
GMFC1588H GMFC1588H GMRG35A
—
Channel frame, with bump stop on
axle
G3500, G4500
2013-15
GMFG45
GMRG45
—
GMRG45
2009-12
GMFG45
GMFG45
GMRG30
GMRG30LB
1 bolt Rear Bump Stop Bracket
2009-12
GMFG45
GMFG45
—
GMRG30PL
2 bolt Rear Bump Stop Bracket
2003-08
GMFG45
GMFG45
GMRG30
GMRG30LB
1 bolt Rear Bump Stop Bracket
2003-08
GMFG45
GMFG45
—
GMRG30PL
2 bolt Rear Bump Stop Bracket
P30,P32, P42, P60
1995-99
—
—
GMRP30MH GMRP30MH
Bump stop over U bolt pad
1975-99
GMFP30W GMFP30W GMRP30
GMRP30HD
Ind. front suspension (coil springs)
P42 B
1975-99
WFRW22
WFRW22
GMRP30
GMRP30HD
¨I¨ beam front suspension (leaf
springs)
P60
1975-99
GMFP60
GMFP60
GMRP30
GMRP30HD
¨I¨ beam front suspension (leaf
springs)
Light Duty Pickup Trucks
Model
Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
1500 AVALANCHE
2002-06
GMFK15A
GMRG25C
GMFK15A
GMRG25C
GVW 7000 Lb. or less
1500 AVALANCHE LS, LT, LTZ 2007-13
GMFK15B
GMRYS4
GMFK15B
GMRYS4
1500 HD SIERRA,
SILVERADO
2001-07
GMFK25S
GMRCK25S
GMFK25S
GMRCK25S
Including Classic
1500 SIERRA, SILVERADO 2009-13
GMFK15CA
GMRCK15E
—
—
XFE
1500 SIERRA, SILVERADO,
DENALI
2015
—
GMRCK15S
GMFK15CA
GMRCK15S
Excluding XFE
2007-14
GMFK15CA
GMRCK15S
GMFK15CA
GMRCK15S
Excluding XFE
1999-06
GMFK25S
GMRCK15S
GMFK15A
GMRCK15S
Excluding 4 door - 4WD
1999-06
—
—
GMFK15A
GMRCK25S
4 door - 4WD
2500 AVALANCHE
2002-06
GMFK25S
GMRSB4S
GMFK25S
GMRSB4S
GVW 8600 Lb.
2500 SIERRA, SILVERADO,
1500HD, 2500HD
1999-10
GMFK25S
GMRCK25S
GMFK25S
GMRCK25D
2500HD SIERRA, SILVERADO 2011-15
GMFK25D
GMRCK25D GMFK25D
GMRCK25D
3500 SIERRA, SILVERADO 2001-10
GMFK25S
GMRCK35S
GMFK25S
GMRCK35S
3500HD SIERRA, SILVERADO 2011-14
GMFK25D
GMRCK35D GMFK25D
GMRCK35D
C10, C1500, K10, K1500
1988-99
GMFC1588H GMRC25HD GMFK35C
GMRCK25
1973-87
GMFC15
GMRC20
GMFK10
GMRK10
1963-72
GMFC15
GMRC10A
—
—
With rear coil springs
C20, C2500
1988-99
GMFC1588H GMRC25HD —
—
1973-87
GMFC15
GMRC20
—
—
C20, C2500
1963-72
GMFC15
GMRC10A
—
—
With rear coil springs
(d) drilling required, (p) professional installation required, (w) welding required, (wd) welding/drilling required, (b/o) bolt-on
GM
Van, Motor Home
Continued