Light Duty Suspension Products June 2015

Heavy Duty Helper Springs

Ford

Ford 1 Ton Front 4-Wheel Drive Truck

Master Kit Includes:

Kit Type

Spring Width

Master Kit No. 510-476

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

F350

1980-97 2600 6

3

— — — EXTRA HEAVY DUTY tapered extra leaf kit. Lightly loaded trucks may experience alignment difficulties. — — — HEAVY DUTY tapered extra leaf kit. — — — Tapered extra leaf kit w/semi-round U-bolts — — — Tapered extra leaf kit w/square U-bolts — — — Tapered extra leaf kit.

510-476L 510-536 510-770A

F350

1980-97 1300 6

3 3 3

F350 w/solid front axle 1980-97 1300 6

F350, 450, 550 Superduty F350, 450, 550 Superduty

2000-04 1500 6

510-770

1999-01 1500 6

3

1 Ton Rear 2-Wheel Drive Truck

Master Kit Includes:

Kit Type

Spring Width

Master Kit No. 510-323

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

F350 DRW chassis cab 1980-97 2000 4 2 ¹⁄₄

500-323 503-2114 502-300 OEM style fixed bracket kit, 2 ¹⁄₄ " wide springs

Heavy Duty Helper Springs F350 SRW pickup and chassis cab 1985-97 2400 1 3

510-335D

504-335 503-2105 502-318

510-325C

F350 SRW pickup and chassis cab F350 DRW pickup F350 Superduty F450 Superduty F550 Superduty 1 Ton Rear 4-Wheel Drive Truck

1980-97 2600 4

3

500-325 503-290 502-318 OEM style fixed bracket kit, 3" wide springs

510-335C 510-343 510-341 510-341A

1985-97 2400 1 1999-05 2400 4 1999-10 2600 3 1999-10 2600 3

3 3 3 3

504-335 503-2105 502-338

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

504-341 504-341

— 502-374 Replacement for single leaf OE helper. — 502-375 Replacement for single leaf OE helper

Master Kit Includes:

Kit Type

Spring Width

Master Kit No.

Leaf Kit No.

Bracket Kit No.

U-Bolt Kit No.

Model

*Year Capty.

Remarks

510-323A

F350 DRW chassis cab 1981-97 2000 4 2 ¹⁄₄

500-323 503-2114 502-352 OEM style fixed bracket kit, 2 ¹⁄₄ " wide springs

510-335B 510-325B 510-343 510-341 510-341A

F350 SRW F350 SRW

1985-97 2400 1 1981-97 2600 4 1999-05 2400 4 1999-10 2600 3 1999-10 2600 3

3 3 3 3 3

504-335 503-2105 502-282

500-325 503-290 502-282 OEM style fixed bracket kit 504-335 503-290A 502-373 OEM style fixed bracket kit

F350 Superduty F450 Superduty F550 Superduty

504-341 504-341

— 502-374 Replacement for single leaf OE helper — 502-375 Replacement for single leaf OE helper

1 Ton Rear 2-Wheel Drive 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

510-1045

E350 cutaway and motorhome chassis E350 cutaway and motorhome chassis

1992-93 2300 6

3

— — — Tapered extra leaf kit, use w/43-1045, 3 leaf rear taper springs. — — — Tapered extra leaf kit, use w/43-659 taper leaf rear springs only. — — — Tapered extra leaf kit, use w/43-1043, 4 leaf rear taper springs.

510-659

1978-91 1650 6

3

510-1043

E350 cutaway chassis 1992-93 1650 6

3

E-Super Duty — — — Tapered extra leaf kit. F53 Motorhome Chassis 1996-00 — — — — — — — See section on Taper Extra Leaves in this publication. 1996-00 1750 6 3 510-1167

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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