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2004-2007 Ford 150 Tuff Country - Pony To Prerunner

F-150 Tuff Country Suspension
By Jerrod Jones
Photography by Jerrod Jones
Ford F150 Prerunner Front View
Ford F150 Prerunner Tuff Country Suspension
Here is the entire kit. It... 
   
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Ford F150 Prerunner Tuff Country Suspension
Here is the entire kit. It is only a kit for the front end, as rear possibilities are endless-from a custom four-link and coilover to a long-travel leaf spring. The kit does not include any coilover shocks, but by the time you read this, Tuff Country should have its own brand of coilover shocks you can option into the kit. No provisions are made for bumpstops either.
Ford F150 Prerunner Template
You'll need to remove all... 
   
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Ford F150 Prerunner Template
You'll need to remove all the front factory suspension parts, but leave the differential housing alone. Before you start bolting the new kit on, you'll have to cut a 5-inch hole into the factory Ford coil bucket on the frame. The Tuff Country kit comes with a template that bolts to the existing bolt holes in the coil bucket. You'll have to buy your own 5-inch hole saw, but the template has a guide hole predrilled in the middle of it so you know exactly where to drill the hole.
Ford F150 Prerunner Coilover Shock
We went to JD Fabrication... 
   
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Ford F150 Prerunner Coilover Shock
We went to JD Fabrication in Escondido, California, to watch an install of the Tuff Country kit. Jesse Nelson cut the hole in the factory coil bucket, had mounted up the upper coilover bracket, and was ready to put the coilover shock in place. The owner of this truck opted for King 2.5-inch coilover remote-reservoir shocks.
Ford F150 Prerunner A Arm
The new lower A-arms ride... 
   
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Ford F150 Prerunner A Arm
The new lower A-arms ride on urethane bushings and bolt directly in place of the factory A-arms without using any drop-down bracketry that will just lower our ground clearance. There are special fixed alignment cams (arrow) to take the place of the original alignment cams where the bolt goes through the frame.
Ford F150 Prerunner A Arm
New one-piece machined-billet... 
   
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Ford F150 Prerunner A Arm
New one-piece machined-billet upper A-arms take the place of the puny factory stuff. They utilize 3/4-inch rod ends at each pivot point, and accept a 1-inch rod end that will now be attached to the factory knuckle for pivoting instead of the factory ball joint.
Ford F150 Prerunner Knuckle
The knuckle has to be modified... 
   
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Ford F150 Prerunner Knuckle
The knuckle has to be modified in two places. First, the top has to be drilled to accept the 1-inch rod end instead of the factory ball joint. Second, the steering stops must be ground down. The new lower A-arms are much larger than the factory ones, and if the steering stops are not ground down, you will have a terrible turning radius.
Ford F150 Prerunner Cv Shaft
Upgraded Porsche 930 CV shafts... 
   
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Ford F150 Prerunner Cv Shaft
Upgraded Porsche 930 CV shafts are an option you might like to swap onto the truck. They are obviously a bit more pricey than standard CVs, but are much stronger at high-degree angles, and will ensure that you do not munch your drivetrain with all your newfound travel.
Ford F150 Prerunner Knuckle
Once the CV shaft is installed... 
   
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Ford F150 Prerunner Knuckle
Once the CV shaft is installed and the knuckle is cut and drilled, it'll be time to slip it onto the new A-arms.
Ford F150 Prerunner Rod End Bolt
As we mentioned earlier, a... 
   
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Ford F150 Prerunner Rod End Bolt
As we mentioned earlier, a 1-inch rod end bolts to the upper part of the knuckle and pivots between two high-misalignment spacers bolted onto the billet upper A-arm.
Ford F150 Prerunner Rod End Steering
The Tuff Country kit also... 
   
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Ford F150 Prerunner Rod End Steering
The Tuff Country kit also addresses the steering, since the factory tie rods won't handle the improved amount of travel. A tie-rod extension goes on the end of the rack, but this is an optional rod-end steering upgrade that JD Fabrication sells.
Ford F150 Prerunner Limiting Straps
A 1/2-inch hole can be drilled... 
   
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Ford F150 Prerunner Limiting Straps
A 1/2-inch hole can be drilled right in the side of the factory coil buckets to mount the limiting straps. The straps should be placed so that they go tight just before the suspension is fully drooped. This will prevent extraneous loads from being put on the coilover shocks.
Ford F150 Prerunner Suspension Install
The entire Tuff Country kit... 
   
  read full caption
Ford F150 Prerunner Suspension Install
The entire Tuff Country kit went together pretty flawlessly. The only cutting we had to do was the steering stops on the factory knuckle and the 5-inch hole we had to make at the top of the coil bucket. We got to ride in a truck equipped with this suspension before we actually shot the install, and the ride was unbelievable. Instead of concentrating on getting as much travel as possible, the Tuff Country kit concentrates on making usable travel, though we think 13 inches of travel is pretty darned respectable anyways.
JD Fabrication Tuff Country
www.tuffcountry.com

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