Pro Comp U-bolt kits are pakaged complete with new hi-nuts and extra thick washers. U-bolt lengths are usually adequate for stock and aftermarket leaf spring packs. Pro Comp U-Bolt kits are manufactured from low-alloy high strength steel. Round style U-bolts are zinc plated. Square U-bolts are unplated in order to preserve the integrity of the steel at it's bent points. U-bolts are equivalent in strength to a Grade 5 bolt.
Pro Comp 58101 U-Bolt Kit
- Brand: Pro Comp
- |
- SKU: DFCW-58101
- |
- Part Number: 58101
1973-1987 Chevrolet Blazer 4WD Gas/1973-1976 Chevrolet K10/K1500 Pickup 4WD Gas/1973-1976 Chevrolet K20/K2500 Pickup 4WD Gas/1987-1991 Chevrolet Silverado 1500 2WD/4WD Gas/1987-1991 Chevrolet Silverado 2500 2WD/4WD Gas/Diesel/1973-1976 Chevrolet Suburban 1500 4WD Gas/1973-1976 Chevrolet Suburban 2500 4WD Gas/1973-1987 GMC Jimmy 4WD Gas/1973-1976 GMC K15/K1500 Pickup 4WD Gas/Diesel/1973-1976 GMC K25/K2500 Pickup 4WD Gas/Diesel/1987-1991 GMC Sierra 1500 2WD/4WD Gas/1987-1991 GMC Sierra 2500 2WD/4WD Gas/Diesel/1973-1976 GMC Suburban 1500 4WD Gas/1973-1976 GMC Suburban 2500 4WD Gas/1973-1976 Chevrolet/GMC Suburban 3500 4WD
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Product Details
Fitment
| Years | Make | Model | Drive | Engine |
|---|---|---|---|---|
| 1973-1976 | Chevrolet | K10/K1500 Pickup | 4WD | Gas |
| 1973-1976 | GMC | K15/K1500 Pickup | 4WD | Gas |
| 1973-1976 | GMC | K15/K1500 Pickup | 4WD | Diesel |
| 1973-1976 | Chevrolet | K20/K2500 Pickup | 4WD | Gas |
| 1973-1976 | GMC | K25/K2500 Pickup | 4WD | Gas |
| 1973-1976 | GMC | K25/K2500 Pickup | 4WD | Diesel |
| 1973-1976 | Chevrolet | Suburban 1500 | 4WD | Gas |
| 1973-1976 | Chevrolet | Suburban 2500 | 4WD | Gas |
| 1973-1976 | GMC | Suburban 1500 | 4WD | Gas |
| 1973-1976 | GMC | Suburban 2500 | 4WD | Gas |
| 1987-1991 | Chevrolet | Silverado 1500 | 2WD | Gas |
| 1987-1991 | Chevrolet | Silverado 1500 | 4WD | Gas |
| 1987-1991 | Chevrolet | Silverado 2500 | 2WD | Gas |
| 1987-1991 | Chevrolet | Silverado 2500 | 2WD | Diesel |
| 1987-1991 | Chevrolet | Silverado 2500 | 4WD | Gas |
| 1987-1991 | Chevrolet | Silverado 2500 | 4WD | Diesel |
| 1987-1991 | GMC | Sierra 1500 | 2WD | Gas |
| 1987-1991 | GMC | Sierra 1500 | 4WD | Gas |
| 1987-1991 | GMC | Sierra 2500 | 2WD | Gas |
| 1987-1991 | GMC | Sierra 2500 | 2WD | Diesel |
| 1987-1991 | GMC | Sierra 2500 | 4WD | Gas |
| 1987-1991 | GMC | Sierra 2500 | 4WD | Diesel |
| 1973-1987 | Chevrolet | Blazer | 4WD | Gas |
| 1973-1987 | GMC | Jimmy | 4WD | Gas |
| 1973-1976 | Chevrolet | Suburban 3500 | 4WD | |
| 1973-1976 | GMC | Suburban 3500 | 4WD |
Features
- U-Bolt Kit
- 2.5"Front Lift
- Incl. Hi-Nuts
- Extra Thick Washers
Components
| 2 | 11511 | Front Leaf Spring | |
| 1 | 13122 | Rear Add a Leaf Springs | |
| 1 | 58101 | Front Box Kit | |
| 1 | 58401 | Rear Blocks / U-Bolts | |
| 1 | 7215 | Stainless Brake Lines | |
| 1 | GM400 | Steering Arm | |
| Plus | |||
| 2 | 324509 | Front ES3000 Shocks | |
| 2 | 329500 | Rear ES3000 Shocks |
Important Notes
- Driveline modifications may be required due to increased driveline angles.
- Exhaust modifications may be required for height increases of 4" and are normally required for 6" height increases.
- All ride height increases are approximate and will vary due to vehicle specification (Engine size, factory options, trail equipment, etc).
- Two additional front shocks must be ordered separately for vehicles equipped with factory dual shocks. (6) Replacement 4" and 6" rear leaf springs are available and sold separately.
- Vehicle will require alignment after kit is installed.
Tire Info
| Max Tire Size | 35" x 12.50" |
| Wheel Diameter | 15" + |
| Wheel Width | 8" - 10" |
| Backspace | 3.25" - 4.5" |
| Bolt Pattern | 6 x 5.5" |
| Bolt Code | 83 |
| Lug Nut Size | 7/16" |
| Lug Nut Kit | N/A |