Ford 1/2 Ton Truck 2-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| F100/150 | Rear Kit | 1982-96 | 2100 | 4 | 2 1/2 | 510-321 |
500-321 | 503-290 | 502-276 | OEM style fixed bracket kit |
| F150 | Rear Kit | 1982-96 | 2500 | 1 | 2 1/2 | 510-337 |
504-337 | 503-2105 | 502-276 | |
| F150 | Rear Kit | 1997-01 | 2400 | 1 | 2 1/2 | 510-339 |
504-339 | 503-2110 | 502-350 | Some early trucks may require drilling to install this kit. Professional installation recommended. |
| F150 | Rear Kit | 2002-14 | — | — | — | N/A | — | — | — | No heavy duty kit available. Try a Timbren kit or Air Lift to boost your suspension. Standard Duty section in this online catalog. |
Ford 1/2 Ton Truck 4-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| F100/150 | Front Kit | — | — | — | — | — | — | See section on Super Duty Coils in this online catalog. | ||
| Explorer, 2 door only | Rear Kit | 1995-00 | 1000 | 6 | 2 1/2 | 510-1183 |
— | — | — | Tapered extra leaf kit, use with single leaf rear springs only. |
| Explorer Sport Trac | Rear Kit | — | — | — | N/A | — | — | — | No heavy duty kit available. Try a Timbren kit or Air Lift to boost your suspension. . |
|
| F150 | Rear Kit | 1985-96 | 2400 | 1 | 3 | 510-335 |
504-335 | 503-2105 | 502-278 | |
| F150 | Rear Kit | 1987-96 | 2600 | 4 | 3 | 510-325 |
500-325 | 503-290 | 502-296 | OEM style fixed bracket kit |
| F150 | Rear Kit | 1997-01 | 2400 | 1 | 2 1/2 | 510-339A |
504-339 | 503-2110 | 502-278 | Some early trucks may require drilling to install this kit. Professional installation recommended. |
| F150 | Rear Kit | 2002-14 | — | — | — | N/A | — | — | — | No heavy duty kit available. Try a Timbren kit or Air Lift to boost your suspension. |
Ford 1/2 Ton Van 2-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| E150 w/taper leaf springs | Rear Kit | 1992-93 | 1250 | 6 | 2 1/2 | 510-1031 |
— | — | — | Tapered extra leaf kit, use w/43-1031 taper leaf rear spring springs only |
Ford 3/4 Ton Truck 2-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| Front Kit | See Timbren or Air Lift Kits | |||||||||
| F250 under 8500 lbs. GVW | Rear Kit | 1983-96 | 2600 | 4 | 3 | 510-325A |
500-325 | 503-290 | 502-350 | OEM style fixed bracket kit |
| F250 under 8500 lbs. GVW | Rear Kit | 1985-96 | 2400 | 1 | 3 | 510-335A |
504-335 | 503-2105 | 502-350 | |
| F250HD, 8500 lbs. GVW and over | Rear Kit | 1985-97 | 2400 | 1 | 3 | 510-335D |
504-335 | 503-2105 | 502-318 | |
| F250HD, 8500 lbs. GVW and over | Rear Kit | 1983-97 | 2600 | 4 | 3 | 510-325C |
500-325 | 503-290 | 502-318 | OEM style fixed bracket kit |
| F250 under 8500 lbs. GVW | Rear Kit | 1997-98 | 2400 | 1 | 2 1/2 | 510-339 |
504-339 | 503-2110 | 502-350 | |
| F250 Superduty | Rear Kit | 1999-05 | 2400 | 4 | 3 | 510-343 |
504-335 | 503-290A | 502-373 | OEM style fixed bracket kit |
Ford 3/4 Ton Truck 4-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| F250 | Front Kit | 1980-96 | 1300 | 6 | 3 | 510-476L |
— | — | — | HEAVY DUTY tapered extra leaf kit. |
| F250 | Front Kit | 1980-96 | 2600 | 6 | 3 | 510-476 |
— | — | — | EXTRA HEAVY DUTY tapered extra leaf kit. Lightly loaded trucks may experience alignment difficulties. |
| F250HD, Greater than 8500 lbs. GVW (leaf spring front) | Front Kit | 1997 | 1300 | 6 | 3 | 510-476L |
— | — | — | HEAVY DUTY tapered extra leaf kit. |
| F250HD, Greater than 8500 lbs. GVW (leaf spring front) | Front Kit | 1997 | 2600 | 6 | 3 | 510-476 |
— | — | — | EXTRA HEAVY DUTY tapered extra leaf kit. Lightly loaded trucks may experience alignment difficulties. |
| F250 Superduty | Front Kit | 1999-01 | 1500 | 6 | 3 | 510-770 |
— | — | — | Taper extra leaf kit w/square U-bolts |
| F250 Superduty | Front Kit | 2001-04 | 1500 | 6 | 3 | 510-770A |
— | — | — | Ttapered extra leaf kit w/semi-round U-bolts |
| F250 under 8500 lbs. GVW | Rear Kit | 1985-96 | 2400 | 1 | 3 | 510-335 |
504-335 | 503-2105 | 502-278 | |
| F250 under 8500 lbs. GVW | Rear Kit | 1983-96 | 2600 | 4 | 3 | 510-325D |
500-325 | 503-290 | 502-278 | OEM style fixed bracket kit |
| F250HD, 8500 lbs. GVW and over | Rear Kit | 1985-97 | 2400 | 1 | 3 | 510-335C |
504-335 | 503-2105 | 502-338 | |
| F250HD, 8500 lbs. GVW and over | Rear Kit | 1983-97 | 2600 | 4 | 3 | 510-325E |
500-325 | 503-290 | 502-338 | OEM style fixed bracket kit |
| F250 under 8500 lbs. GVW | Rear Kit | 1997-98 | 2400 | 1 | 2 1/2 | 510-339A |
504-339 | 503-2110 | 502-376 | |
| F250 Superduty | Rear Kit | 1999-05 | 2400 | 4 | 3 | 510-343 |
504-335 | 503-290A | 502-373 | |
Ford 1 Ton Truck 2-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| All w/coil springs | Front Kit | — | — | — | — | — | — | See section on Super Duty Coils in this online catalog. | ||
| F Super Duty | Front Kit | 1988-97 | 2250 | 6 | 3 | 510-526 |
— | — | — | Tapered extra leaf kit |
| F350 DRW chassis cab | Rear Kit | 1980-97 | 2000 | 4 | 2 1/4 | 510-323 |
500-323 | 503-2114 | 502-300 | OEM style fixed bracket kit, 2 1/4″ wide springs |
| F350 SRW pickup and chassis cab | Rear Kit | 1980-97 | 2600 | 4 | 3 | 510-325C |
500-325 | 503-290 | 502-318 | OEM style fixed bracket kit, 3″ wide springs |
| F350 SRW pickup and chassis cab | Rear Kit | 1985-97 | 2400 | 1 | 3 | 510-335D |
504-335 | 503-2105 | 502-318 | |
| F350 DRW pickup | Rear Kit | 1985-97 | 2400 | 1 | 3 | 510-335C |
504-335 | 503-2105 | 502-338 | |
| F350 Superduty | Rear Kit | 1999-05 | 2400 | 4 | 3 | 510-343 |
504-335 | 503-290A | 502-373 | OEM style fixed bracket kit |
| F450 Superduty | Rear Kit | 1999-08 | 2600 | 3 | 3 | 510-341 |
504-341 | — | 502-374 | Replacement for single leaf OE helper. |
| F550 Superduty | Rear Kit | 1999-08 | 2600 | 3 | 3 | 510-341A |
504-341 | — | 502-375 | Replacement for single leaf OE helper |
Ford 1 Ton Truck 4-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| F350 | Front Kit | 1980-97 | 1300 | 6 | 3 | 510-476L |
— | — | — | HEAVY DUTY tapered extra leaf kit. |
| F350 | Front Kit | 1980-97 | 2600 | 6 | 3 | 510-476 |
— | — | — | EXTRA HEAVY DUTY tapered extra leaf kit. Lightly loaded trucks may experience alignment difficulties. |
| F350 w/solid front axle | Front Kit | 1980-97 | 1300 | 6 | 3 | 510-536 |
— | — | — | Tapered extra leaf kit. |
| F350, 450, 550 Superduty | Front Kit | 1999-01 | 1500 | 6 | 3 | 510-770 |
— | — | — | Tapered extra leaf kit w/square U-bolts |
| F350, 450, 550 Superduty | Front Kit | 2000-04 | 1500 | 6 | 3 | 510-770A |
— | — | — | Tapered extra leaf kit w/semi-round U-bolts |
| F350 DRW chassis cab | Rear Kit | 1981-97 | 2000 | 4 | 2 1/4 | 510-325A |
500-323 | 503-2114 | 502-352 | OEM style fixed bracket kit, 2 1/4″ wide springs |
| F350 SRW | Rear Kit | 1981-97 | 2600 | 4 | 3 | 510-325B |
500-325 | 503-290 | 502-282 | OEM style fixed bracket kit |
| F350 SRW | Rear Kit | 1985-97 | 2400 | 1 | 3 | 510-335B |
504-335 | 503-2105 | 502-282 | |
| F350 Superduty | Rear Kit | 1999-05 | 2400 | 4 | 3 | 510-343 |
504-335 | 503-290A | 502-373 | OEM style fixed bracket kit |
| F450 Superduty | Rear Kit | 1999-08 | 2600 | 3 | 3 | 510-341 |
504-341 | — | 502-374 | Replacement for single leaf OE helper |
| F550 Superduty | Rear Kit | 1999-08 | 2600 | 3 | 3 | 510-341A |
504-341 | — | 502-375 | Replacement for single leaf OE helper |
Ford 1/2 Ton Van & Motorhome 2-Wheel Drive
| Front or | Spring | Master | Master Kit Includes | |||||||
| Model | Rear Kit | Year | Capty. | Kit Type | Width | Kit No. | Leaf | Bracket | U-Bolt | Remarks |
| All w/coil springs | Front Kit | — | — | — | — | — | — | See section on Super Duty Coils in this online catalog. | ||
| E350 cutaway and motorhome chassis | Rear Kit | 1978-91 | 1650 | 6 | 3 | 510-659 |
— | — | — | Tapered extra leaf kit, use w/43-659 taper leaf rear springs only. |
| E350 cutaway and motorhome chassis | Rear Kit | 1992-93 | 2300 | 6 | 3 | 510-1045 |
— | — | — | Tapered extra leaf kit, use w/43-1045, 3 leaf rear taper springs. |
| E350 cutaway chassis | Rear Kit | 1992-93 | 1650 | 6 | 3 | 510-1043 |
— | — | — | Tapered extra leaf kit, use w/43-1043, 4 leaf rear taper springs. |
| E-Super Duty | Rear Kit | 1996-00 | 1750 | 6 | 3 | 510-1167 | — | — | — | Tapered extra leaf kit. |
| All w/coil springs | Front Kit | — | — | — | — | — | — | See section on Super Duty Coils in this online catalog. | ||
| F53 motorhome and F59 commercial chassis | Front Kit | 1989-00 | — | — | — | — | — | — | See section on Taper Extra Leaves in this online catalog. | |
| E350 cutaway and motorhome chassis | Rear Kit | 1978-91 | 1650 | 6 | 3 | 510-659 |
— | — | — | Tapered extra leaf kit, use w/43-659 taper leaf rear springs only. |
| E350 cutaway and motorhome chassis | Rear Kit | 1992-93 | 2300 | 6 | 3 | 510-1045 |
— | — | — | Tapered extra leaf kit, use w/43-1045, 3 leaf rear taper springs. |
| F53 Motorhome Chassis | Rear Kit | 1996-00 | — | — | — | — | — | — | See section on Taper Extra Leaves in this online catalog | |
H1 Cannot be shipped UPS.
H2 Only fits vehicles without OEM rear helper.
H3 Heavy duty available.
H4 Use 510-135 to replace OEM single leaf helper.
H5 With 454 engine use 502-340 U-bolt kit.
H6 For trucks with 8 leaf or greater main spring use 534-25400 installation kit.
H7 502-344 U-bolts included in master kit. Depending on which OEM spacer block is used, other lengths may be required. Consult heavy duty U-bolt chart.
H8 The gross axle weight rating (GAWR) for the front axle is listed on the vehicle certification label on the left door near the door latch.
H9 Replaces OEM single leaf helper.
H11 With OEM sway bar use 502-298 U-bolt kit.
H12 Relocation of tail pipe may be required.
H13 Will raise vehicle approximately 1”.
H14 Installation kit contains 3 clamp-on and 1 bolt-on adjustable brackets.
H15 Installation kit contains 2 clamp-on and 2 bolt-on adjustable brackets.
H18 With diesel or 454 engine use 502-256 U-bolt kit.