Ford Helper Kits


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.