This ORU conversion kit includes all the necessary brackets to convert two-wheel drive to a four-wheel drive solid axle system. The solid axle comes with locking hubs and can be equipped with a limited slip locking differential for greater off-road capabilities.
This kit is designed for 46" & 52" long leaf springs (ORU springs or any other aftermarket springs) Fits axles with a 31.5" or 32.5" spring pad width You need to include an additional 3" of lift when choosing your spring - Example 6" spring +3” equals 9" of total lift Installation of this kit will move the front axle forward 1”
Rear driveshaft will need to be lengthened You will need a new front driveshaft and slip yoke eliminator Exhaust modification is required Must change transfer case to passenger side front output shaft Hydraulic Steering Ram Assist is recommended for tires over 35" tall - Available below!
Axle Applications: 73-87 Corp 10 Bolt / 8 Lug / 32.5" spring pad width 73-87 GM Dana 44 / 8 Lug / 32.5" spring pad width ORU Custom Dana 60 / 8 Lug / 32.5" spring pad width GM Dana 60 (Factory) / 8 Lug / 32.5" spring pad width
Related Product Fitment
Leaf Springs & Brake Lines
| Tire Size | Total Lift | Front Springs 46" | Front Springs Premium 52" | Brake Lines Front | Rear Springs | Brake Lines Rear |
| 35" | 7" | 4"-60061 | 4"-60061+6 | 4-26F | 7"-60070-7 | 5-28R |
| 37" | 9" | 6"-60062 | 6"-60062+6 | 4-28F | 9"-60070-9 | 5-30R |
| 38" | 11" | 8"-60063 | 8"-60063+6 | 4-30F | 11"-60070-11 | 5-32R |
| 40" | 13" | 10"-60064 | 10"-60064+6 | 4-32F | 13"-60070-13 | 5-34R |
Note: SAS Kit + Spring Lift = Total Lift
U-Bolts
Hydraulic Ram Steering Assist
| Axle Type | Notes | Ram Assist |
| GM Dana 60 | 88-98 1500 | 60040-A |
| ORU Dana 60 | 88-98 1500 | 60040-C |
Shocks
| Tire Size | Total Lift | Bilstein Front | Bilstein Rear | Fox Front | Fox Rear |
| 35" | 7" | 33-186009 | 33-185576 | 985-24-005 | 985-24-007 |
| 37" | 9" | 33-185576 | 33-185576 | 985-24-007 | 985-24-007 |
| 38" | 11" | 33-185576 | 33-185576 | 985-24-007 | 985-24-007 |
| 40" | 13" | 33-185576 | 33-185576 | 985-24-007 | 985-24-007 |
