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Complete 4 Inch Kit with Shocks for Classic Ford Trucks
The Skyjacker F840TK is a 4 inch suspension lift kit built for 1980 to 1996 Ford F-250 and F-350 trucks with the twin I-beam front suspension. The F840TK bundles the hinge brackets, rear blocks, and U bolt hardware from the F840T component box with a matched set of Skyjacker shocks, giving owners a more complete path to a properly controlled 4 inch lift. This kit is intended for trucks without a towing package.
Key Features
- 4 inch lift height using twin I-beam front hinge brackets
- Includes Skyjacker shocks matched to the lift height
- 2 inch rear blocks and U bolt kits included
- Complete hardware bag with locknuts, washers, and bushings
- Limited lifetime warranty
Fitment
| Year Range | Make | Model |
|---|---|---|
| 1980-1996 | Ford | F-250 |
| 1980-1996 | Ford | F-350 |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | F840TK |
| Brand | Skyjacker |
| Lift Height | 4 inch |
| Suspension Type | Twin I-beam |
| Includes Shocks | Yes |
| Warranty | Limited lifetime |
| UPC | Not Published |
What's Included
- Left and right hinge brackets
- 2 inch rear blocks
- Front and rear U bolt kits
- Front and rear shocks
- Spring bushing hardware bag
About Skyjacker
Skyjacker Suspensions has built complete lift systems in the United States since 1970, engineering springs, shocks, and hardware to work together. The F840TK reflects that philosophy by pairing the correct twin I-beam hardware with shocks sized for the 4 inch lift height on classic Ford trucks.
Related Parts
- Skyjacker Suspension Lift Kit Component 1980-1985 Ford F-350 4 Wheel Drive
- Skyjacker 1980-1985 Ford F-350 4 Wheel Drive Alignment Caster/Camber Kit
FAQ
What is the F840TK?The F840TK is a Skyjacker 4 inch suspension lift kit for 1980 to 1996 Ford F-250 and F-350 twin I-beam trucks that includes hinge brackets, rear blocks, hardware, and matched shocks.
Does the F840TK include shocks?Yes, the F840TK includes a set of shocks matched to the 4 inch lift height, unlike the base F840T component box.
Does the F840TK fit trucks with a towing package?The F840TK is intended for trucks without a towing package; towing package equipped trucks require a different kit variant.
What suspension type does the F840TK require?The F840TK is built for the twin I-beam front suspension used on these Ford F-250 and F-350 trucks.
Does the F840TK include a warranty?Yes, the F840TK is backed by Skyjacker's limited lifetime warranty against manufacturing defects.
Does the F840TK include leaf springs?The F840TK includes hardware and shocks; leaf springs are sold separately to complete the system.
Is professional installation recommended for the F840TK?Professional installation is recommended given the complexity of front suspension work and shock replacement.
Can the F840TK be paired with a taller lift kit later?The F840TK is engineered as a 4 inch system, so combining it with a taller kit is not recommended without confirming compatibility.
Install Instructions
- Raise and support the vehicle on jack stands rated for the vehicle weight
- Remove the factory front hinge brackets, shocks, and rear leaf spring hardware
- Install the Skyjacker hinge brackets included in the F840TK kit
- Install the 2 inch rear blocks and secure with the supplied U bolt kits
- Install the included front and rear shocks at the factory mounting points
- Torque all fasteners to manufacturer specifications
- Lower the vehicle and perform a front end alignment
Prop 65 Warning
This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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