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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
Chevrolet / GMC
4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Blazer (full size), Jimmy, Tahoe, Yukon and Suburban; All 1969-00 2
¹⁄₂
505-2510 505-9510
Some models changed to rear coil springs in 2000.
Suburban and Yukon XL 2500
2000-07 2
¹⁄₂
505-2510 N/A
With multi-leaf springs only.
K10/1500, K20/2500, V10/1500, V20/2500
1967-87 2
¹⁄₂
505-2510 505-9510
—
K1500
1988-99 2
¹⁄₂
505-2510 505-9510
—
K2500
1988-00 2
¹⁄₂
505-2515 505-9515
H6
K30/3500, V30/3500 (“V” body only)
1977-91 2
¹⁄₂
505-2510 505-9510
—
K3500
1988-00 2
¹⁄₂
505-2515 505-9515
Trucks with OEM single leaf helper see Heavy Duty
section of this online catalog.
S10/15 Blazer, Jimmy
1982-93 2
¹⁄₂
500-1515 N/A
—
S10/15 Pickup, Colodrado, Canyon
1982-10 2
¹⁄₂
500-1535 N/A
—
Silverado 1500, 2500
1999-10 2
¹⁄₂
505-2515 505-9515
H6, Trucks with OEM helper see Heavy Duty section of
this online catalog.
Silverado 1500HD, 2500HD and 3500
2002-13 2
¹⁄₂
505-2567 N/A
For springs with spring clip or second stage
interference.
Silverado 1500
2014-15 2
¹⁄₂
N/A
N/A
—
Silverado 2500HD and 3500
2011-15 3
505-25673 N/A
Without OE Helper.
2-Wheel Drive Van & Motorhome
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
Astro, Safari
To 95 —
N/A
N/A
Refer to the index of this online catalog for these
applications. Look under ‘Steel Replacement Spring’
G10/1500, G20/2500, G30/3500 Classic van and
motorhome
1972-06 2
¹⁄₂
505-2510 505-9510
Vans and motorhomes with multi-leaf rear springs
only. (Possible body or frame interference on some
modles.)
P10/1500, P20/2500
1969-89 2
¹⁄₂
505-2510 505-9510
—
P30/3500 Motorhome and Commercial Chassis
1969-98 2
¹⁄₂
N/R
505-9510
With multi-leaf springs
1500, 2500, 3500 Express Van
2007-15 —
N/A
N/A
No kit due to frame or shock interference.
Dodge
2-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
D100/150, D200/250, D300/350
1965-93 2
¹⁄₂
505-2505 505-9505
—
D50 Pickup
1982-96 60 mm
500-1525 N/A
—
Dakota
1986-09 2
¹⁄₂
500-1535 N/A
Some models will only accept rear portion of kit due to
brake line interference.
Durango
1997-03 2
¹⁄₂
500-815 N/A
2004 model year changed to coil springs.
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
H6
Ram 2500, 3500 Pickup 8800 lbs. GVW and over
1994-02 3
505-25203 505-95203
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 coil springs in
2014.
Ram 3500HD
2014-15 3
505-25673 N/A
Without OE Helper.
4-Wheel Drive Truck
Model
Year
Spring
Wid.
Variable
Rate Kit
Constant
Rate Kit
Remarks
D50 Pickup
1982-96 60 mm
500-1525 N/A
—
Dakota
1986-08 2
¹⁄₂
500-1535 N/A
Some models will only accept rear portion of kit due to
brake line interference.
Durango
1997-03 2
¹⁄₂
500-815 N/A
2004 model year changed to coil springs.