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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
F250, F350 Superduty, 8800 lbs. GVW and over, w/o OE
helper spring
1999-07 3
505-25203 505-95203
—
F250, F350
1977-96 3
505-25203 505-95203
Use w/3" wide rear springs.
F250, F350 8500 lbs. GVW and over
1997 3
505-25203 505-95203
—
Ranger and Bronco II w/steel leaf springs
1983-11 2
¹⁄₂
500-1555 N/A
—
2-Wheel Drive Van & Motorhome
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
E100/150 w/taper leaf springs
1992-93 —
N/A
N/A
H3, Taper extra leaf kit available. See heavy duty
section in this online catalog.
E100/150 w/multi-leaf springs
1975-14 2
¹⁄₂
505-2510 N/R
—
E350 Motorhome and Commercial Chassis w/multi-leaf
springs
1976-00 3
N/R
505-95103
—
E150, E250, E350 Vans
1975-14 3
505-25103 505-95103
With drum rear brakes only.
E350 Motorhome and Commercial Chassis w/taper leaf
springs
1992-93 —
N/A
N/A
H3, Taper extra leaf kit available. See heavy duty
section in this online catalog.
Isuzu
2- & 4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Hombre
1996-00 60mm
500-1535 N/A
—
Pickup; All
1981-95 60 mm
500-1515 N/A
—
Trooper ll
1987-91 60 mm
500-1515 N/A
—
Jeep
2- & 4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Cherokee Wagon w/leaf spring suspension
1984-00 2
¹⁄₂
N/A
500-550
—
CJ5/7
1976-96 2
¹⁄₂
500-1515 N/A
—
Commanche
1986-93 2
¹⁄₂
500-1535 N/A
—
Wrangler
1990-96 2
¹⁄₂
500-1515 N/A
—
Lincoln
2-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
2 and 4WD Pickup; All
— —
N/A
N/A
—
Mazda
2- & 4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
2 and 4WD Pickup; All
1994-00 2
¹⁄₂
500-1555 N/A
—
2WD Pickup; All w/steel leaf springs
1986-93 60 mm
500-1555 N/A
—
4WD Pickup; All
1988-93 60 mm
500-1555 N/A
—
Navajo
1990-00 2
¹⁄₂
500-815 N/A
With multi-leaf rear springs.
Ford
4-Wheel Drive Truck
Continued