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Standard Duty Helper Springs
Standard Duty Helper Springs
If the Standard Duty Kit is not available for your application, refer to the "Heavy Duty" or "Air Lift" sections of this catalog.
See Page 2 for "Remarks Key Chart".
N/R - Not Recommended
N/A - Not Available
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Ram 1500, 2500 Pickup under 8800 lbs. GVW
2003-09 2
¹⁄₂
505-2567 N/A
2009 model year changed to coil springs.
Ram 1500, 2500 Pickup under 8800 lbs. GVW
1994-02 2
¹⁄₂
505-2520 N/A
Use w/2 1/2" wide rear springs.
Ram 2500, 3500 Pickup 8800 lbs. GVW and over
1994-02 3
505-25203 505-95203
Use w/3" Wide Rear Springs, trucks with OEM single
leaf helper see Heavy Duty section of this online
catalog.
Ram 2500HD, 3500HD
2003-13 3
505-25673 N/A
Without OE Helper. 2500HD changed to coils springs in
2014
Ram 3500HD
2014-15 3
505-25673 N/A
Without OE Helper.
Ramcharger/Trailduster
1975-93 2
¹⁄₂
505-2510 505-9510
—
W100/150, W200/250, W300/350
1965-93 2
¹⁄₂
505-2510 505-9510
—
2-Wheel Drive Van & Motorhome
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
B100/150, B200/250, B300/350
1970-03 2
¹⁄₂
505-2510 505-9510
—
Caravan, Voyager w/ABS and multi-leaf springs
1984-95 2
¹⁄₂
N/A
500-550
—
M and R Series Motorhomes
1970-85 2
¹⁄₂
505-2510 505-9510
Use w/2 1/2" wide rear springs.
M and R Series Motorhomes
1970-85 3
505-25103 505-95103
Use w/3" wide rear springs.
Ford
2-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Explorer
1990-05 2
¹⁄₂
500-815 N/A
With multi-leaf rear springs only
F-150 (New Body)
2004-14 3
N/A
N/A
No kit due to frame or shock interference.
F150 Heritage, F250 under 8500 lbs. GVW
1997-04 2
¹⁄₂
505-2520 N/A
—
F100/150
1973-96 2
¹⁄₂
505-2510 505-9510
—
F100/150, F250, F350
1965-72 2
¹⁄₂
505-2505 505-9505
—
F250, F350 and F450 Superduty, w/o OE helper spring 2008-14 3
505-25673 N/A
F450 pickup only 2010. Without OE Helper.
F250, 350 Superduty, 8800 lbs. GVW and over, w/o OE
helper spring
1999-07 3
505-25203 505-95203
—
F250,F350 8500 lbs. GVW and over
1997 3
505-25203 505-95203
—
F250, F350
1987-96 3
505-25203 505-95203
—
F250, F350
1980-86 3
505-25053 505-95053
—
F250, F350
1973-79 2
¹⁄₂
505-2510 505-9510
Use w/2 1/4" wide rear springs.
F250, F350
1973-79 3
505-25103 505-95103
Use w/3" wide rear springs.
Ranger and Bronco II w/Steel Leaf Springs
1983-10 2
¹⁄₂
500-1555 N/A
—
4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Bronco
1973-96 3
505-25103 N/R
—
Explorer, Explorer Sport Trax
1990-05 2
¹⁄₂
500-815 N/A
With multi-leaf rear springs.
F-150 (New Body)
2004-14 3
N/A
N/A
No kit due to frame or shock interference.
F150 Heritage, F250 under 8500 lbs. GVW
1997-04 2
¹⁄₂
505-2520 N/A
—
F100/150
1973-96 3
505-25103 N/R
—
F100/150
1963-72 2
¹⁄₂
505-2510 505-9510
Use w/2 1/4" wide rear springs.
F250
1963-77 2
¹⁄₂
505-2505 505-9505
Use w/2 1/4" wide rear springs
F250, F350 and F450 Superduty, w/o OE helper spring 2008-15 3
505-25673 N/A
F450 pickup only 2010. Without OE Helper.
Dodge
4-Wheel Drive Truck
Continued