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Super Duty Coil Springs | Dayton | Front

SKU 350-6560

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4 In Stock as of August 16, 2022 3:10 AM EST.

Super Duty Coil Springs improve the handling and ride quality of heavily loaded vehicles, thereby reducing driver fatigue and increasing safety and efficiency.

Product Specs for Dayton 350-6560

  • Capacity:6,578 lbs.
  • Note:Sold in pairs. 3,289 lbs. per coil.
  • MPN: 350-6560
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Dayton 350-6560 Details

Super Duty custom designed coil springs give you 1000 lbs. of additional load handling capability per pair with a maximum of ½ inch increase in ride height at zero additional load. Coated with an attractive silver-gray baked on epoxy finish, Super Duty coil springs are a practical helper spring alternative when shock absorbers are mounted inside the coil spring and are an excellent choice for vehicles equipped with diesel engines or snow plows or winches.

Super Duty Coil Springs also require no maintenance making them an excellent load handling solution for fleet vehicles, pickups, vans and motorhomes. Super Duty coil springs improve the handling and ride quality of heavily loaded vehicles, thereby reducing driver fatigue and increasing safety and efficiency.

  • Manufactured in the USA from American made materials and components.
  • Excellent for trucks with snow plows or diesel engines.
  • No maintenance required.
  • Baked on silver-gray epoxy finish.
  • 1000 lbs additional load handling capability per pair.
  • Improves corning stability, handling and ride quality.
  • Used by fleet vehicles worldwide.

Super duty coil springs are recommend for use in vehicles used in continuous heavy hauling conditions. Never exceed the manufacturer’s suggested GVW.

Vehicle Application Guide for Dayton 350-6560

The 350-6560 Super Duty Coil Springs | Dayton | Front is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Heavy Duty Coil Springs to view all vehicle makes and models.

  • Chevrolet
  • GMC
YearMakeModelVehicle OptionInstallation Notes
1975 Chevrolet C30
1976 Chevrolet C30
1977 Chevrolet C30
1978 Chevrolet C30
1979 Chevrolet C30
1980 Chevrolet C30
1981 Chevrolet C30
1982 Chevrolet C30
1983 Chevrolet C30
1984 Chevrolet C30
1985 Chevrolet C30
1986 Chevrolet C30
1988 Chevrolet C3500
1989 Chevrolet C3500
1990 Chevrolet C3500
1991 Chevrolet C3500
1979 GMC C3500
1980 GMC C3500
1981 GMC C3500
1982 GMC C3500
1983 GMC C3500
1984 GMC C3500
1985 GMC C3500
1986 GMC C3500
1988 GMC C3500
1989 GMC C3500
1990 GMC C3500
1991 GMC C3500
1975 Chevrolet P30
1976 Chevrolet P30
1977 Chevrolet P30
1978 Chevrolet P30
1979 Chevrolet P30
1980 Chevrolet P30
1981 Chevrolet P30
1982 Chevrolet P30
1983 Chevrolet P30
1984 Chevrolet P30
1985 Chevrolet P30
1986 Chevrolet P30
1987 Chevrolet P30
1988 Chevrolet P30
1989 Chevrolet P30
1990 Chevrolet P30
1991 Chevrolet P30
1992 Chevrolet P30
1993 Chevrolet P30
1994 Chevrolet P30
1995 Chevrolet P30
1996 Chevrolet P30
1997 Chevrolet P30
1998 Chevrolet P30
1999 Chevrolet P30
1988 Chevrolet R30
1987 Chevrolet R30
1989 Chevrolet R3500
1990 Chevrolet R3500
1991 Chevrolet R3500
1987 GMC R3500
1988 GMC R3500
1989 GMC R3500
1990 GMC R3500
1991 GMC R3500
1979 GMC G3500
1980 GMC G3500
1981 GMC G3500
1982 GMC G3500
1983 GMC G3500
1984 GMC G3500
1985 GMC G3500
1986 GMC G3500
1987 GMC G3500
1988 GMC G3500
1989 GMC G3500
1990 GMC G3500
1991 GMC G3500
1992 GMC G3500
1993 GMC G3500
1994 GMC G3500
1995 GMC G3500
1979 GMC P3500
1980 GMC P3500
1981 GMC P3500
1982 GMC P3500
1983 GMC P3500
1984 GMC P3500
1985 GMC P3500
1986 GMC P3500
1987 GMC P3500
1988 GMC P3500
1989 GMC P3500
1990 GMC P3500
1991 GMC P3500
1992 GMC P3500
1993 GMC P3500
1994 GMC P3500
1995 GMC P3500
1996 GMC P3500
1997 GMC P3500
1998 GMC P3500
1999 GMC P3500
1975 Chevrolet G30
1976 Chevrolet G30
1977 Chevrolet G30
1978 Chevrolet G30
1979 Chevrolet G30
1980 Chevrolet G30
1981 Chevrolet G30
1982 Chevrolet G30
1983 Chevrolet G30
1984 Chevrolet G30
1985 Chevrolet G30
1986 Chevrolet G30
1987 Chevrolet G30
1988 Chevrolet G30
1989 Chevrolet G30
1990 Chevrolet G30
1991 Chevrolet G30
1992 Chevrolet G30
1993 Chevrolet G30
1994 Chevrolet G30
1995 Chevrolet G30
1976 GMC G30
1977 GMC G30
1978 GMC G30
1979 GMC G30
1980 GMC G30
1981 GMC G30
1982 GMC G30
1983 GMC G30
1984 GMC G30
1985 GMC G30
1986 GMC G30
1987 GMC G30
1988 GMC G30
1989 GMC G30
1990 GMC G30
1991 GMC G30
1992 GMC G30
1993 GMC G30
1994 GMC G30

Customer Q&A - Dayton 350-6560

Hello, my 1996, P30, motorhome (34 ft), front axel weight is 4800 lbs. I find the front too low and I think that it is because the coils are worn and I want to replace them. What product of yours do you suggest? Also, leaf springs for the same motorhome, but the weight of the rear axle at 11 300 lbs., total length about 55", from center to one end approx 30" and center to the other end approx 26", width 2 1/2", number of leaf 4/2 pads, 3 1/4" thickness assy, Ship to Canada is possible?

This coil set is a great option as an upgrade for the front of your motor-home. These will offer an additional 1,000 lbs of weight capacity and should alleviate any problems with sagging or leaning due to the coils being worn. The rear springs are a bit more complicated as there were around 30 different options which change depending on different chassis features. For help in locating the rear springs it would be best to call us directly at 1-800-358-4751 and we can help you over the phone. We can ship all items to Canada if needed.

Hello, I have a 1996 P30 chassis motorhome. I don't know the front axle weight but should I buy a pair of coil that supports exactly the weight, or more? How much more? I'm a french Canadian so I hope my question is well written.

These are a great option as an upgrade for the stock coil springs on a P30 Motorhome. They will give you an extra 1000lbs of weight capacity with around a 1/2" gain in ride height. When ordering HD springs you will want to keep the capacity well above the actual axle weight without going overboard and making the ride too stiff. Normally 1000lbs over stock is a good starting point and anything heavier would be used in special cases or very heavy applications.

I have a 1997 chevy 24 foot flair motormome.The weight of the front axle is 5140 lbs.Which springs do i need? motorhomer

The 350-6560 springs should work fine for your 5140 lbs. front axle. They are rated at 3289 lbs. each which would put you at 6578 lbs. total. This is assuming you have a P30 motorhome chassis which is sounds like you do. Feel free to call us at 1-800-358-4751 if you have any other questions about replacing your coil springs on your motorhome. Thank you..


Dayton Parts employs nearly 300 men and women in its manufacturing, sales and distribution operations, located in multiple facilities in Harrisburg, Pennsylvania and in Alberta, Canada. Their manufacturing plant features state-of-the-art taper spring manufacturing equipment and is capable of producing an infinite number of leaf spring designs, including advanced technology high-stress types.

Dayton Parts complete product offering of brake, spring, steering and suspension product lines are unrivaled in content, quality and coverage.

Today, Dayton Parts, LLC strives to employ groups of highly skilled specialists who ensure they will sustain and develop our prominent role in the aftermarket industry.

For more information, visit Dayton Parts.

Dayton Parts Warranty

1 Year Limited Warranty

Dayton Parts warrants its products against defects in workmanship or material for a period of 1 year.

What the warranty does not cover

Corrosion. Damage due to impact, accident, misuse, overloading or improper installation.

How to get service

If a Dayton product fails as a result from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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