Light Duty Suspension Products June 2015

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Heavy Duty Helper Springs

Ford

Ford ³⁄₄ Ton Rear 2-Wheel Drive Truck

Heavy Duty Helper Springs

Master Kit Includes:

Kit Type

Spring Width

Master Kit No.

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

510-339

F250 under 8500 lbs. GVW F250 under 8500 lbs. GVW F250 under 8500 lbs. GVW F250HD, 8500 lbs. GVW and over F250HD, 8500 lbs. GVW and over

1997-98 2400 1 2 ¹⁄₂

504-339 503-2110 502-350

510-335A

1985-96 2400 1

3

504-335 503-2105 502-350

510-325A

1983-96 2600 4

3

500-325 503-290 502-350 OEM style fixed bracket kit

510-335D

1985-97 2400 1

3

504-335 503-2105 502-318

510-325C

1983-97 2600 4

3

500-325 503-290 502-318 OEM style fixed bracket kit

510-343

F250 Superduty

1999-07 2400 4

3

504-335 503-290A 502-373 OEM style fixed bracket kit

³⁄₄ Ton Rear 4-Wheel Drive Truck

Master Kit Includes:

Kit Type

Spring Width

Master Kit No.

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

510-339A

F250 under 8500 lbs. GVW F250 under 8500 lbs. GVW F250 under 8500 lbs. GVW F250HD, 8500 lbs. GVW and over F250HD, 8500 lbs. GVW and over

1997-98 2400 1 2 ¹⁄₂

504-339 503-2110 502-376

510-335

1985-96 2400 1

3

504-335 503-2105 502-278

510-325D

1983-96 2600 4

3

500-325 503-290 502-278 OEM style fixed bracket kit

510-335C

1985-97 2400 1

3

504-335 503-2105 502-338

510-325E

1983-97 2600 4

3

500-325 503-290 502-338 OEM style fixed bracket kit

510-343

F250 Superduty

1999-07 2400 4

3

504-335 503-290A 502-373 OEM style fixed bracket kit

1 Ton Front 2-Wheel Drive Truck

Master Kit Includes:

Kit Type

Spring Width

Master Kit No.

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

510-770A

F450, F550 Superduty 2000-04 1500 6

3

— — — Tapered extra leaf kit w/semi-round U-bolts — — — Tapered extra leaf kit w/square U-bolts

510-770

F450, F550 Superduty 1999-01 1500 6

3

1 Ton Front 2-Wheel Drive Truck, Van & Motorhome

Master Kit Includes:

Kit Type

Spring Width

Master Kit No.

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

—

All w/coil springs

— — — —

— — — See section on Super Duty Coils in this publication.

510-526

F Super Duty

1988-97 2250 6

3

— — — Tapered extra leaf kit

—

F53 motorhome and F59 commercial chassis

1989-00

— — —

— — — See section on Taper Extra Leaves in this publication.

If the Heavy Duty Kit is not available for your application, refer to the "Standard Duty" or "Air Lift" sections of this catalog. See Page 2 for "Remarks Key Chart". N/A - Not Available * For model years earlier then those listed refer to the "Standard Duty" section of this catalog.

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