The Eibach E83-35-059-01-20 is the front pair in the PRO-TRUCK Coilover 2.5 line, a threaded-body, height-adjustable coilover built for the 2015-2020 Ford F-150 SuperCrew 3.5L V6 EcoBoost 4WD. The manufacturer positions the 2.5-inch body as the step up from its 2.0-inch PRO-TRUCK coilovers for owners who have outgrown their damper capacity on hard off-road runs or heavy overlanding. Its threaded body lets you dial in front height instead of accepting one fixed lift, which is the main reason to pick it over a budget spacer or fixed-height strut. Because it is a coilover, it keeps spring and damping control at each corner.
Buyers searching for a 2015-2020 F-150 3.5L EcoBoost 4WD 2.5 coilover, a threaded front coilover lift, or a Pro-Truck front shock should note that the manufacturer rates this pair for +1 to 3 inches of front lift and lists no rear change. Because the front pair is sold alone, owners who want matching rear height need the separate PRO-TRUCK Reservoir 2.5 rear shocks, which the manufacturer rates for 0 to 2 inches of rear lift. Install is a front-end job that calls for a hoist or jack, safety stands, and a post-install alignment. Details for this 2.5 model vary across sources, so confirm fitment and availability with the manufacturer before ordering.
The manufacturer lists this part as a pair of front coilovers only. Rear shocks are a separate purchase, and the manufacturer's PRO-TRUCK Reservoir 2.5 rear shock (E83-35-059-01-02) is the matching option.
The manufacturer rates the front at +1 to 3 inches and lists no rear change for this part. Owners on user forums who installed the closely related 2.0 kit report that actual height depends on trim, engine, and equipment, so measure before and after install.
Yes. The manufacturer's install instructions for the PRO-TRUCK coilovers say to check and adjust wheel alignment after installation, along with tire-to-fender clearance, brake line clearance, and ABS sensor routing.
This is a moderately involved front suspension job rather than a bolt-on. Owners on user forums who installed the closely related 2.0 kit report about three hours on jack stands, and lower control arm removal makes strut extraction easier on the studded front struts. One owner needed a spring compressor and ratchet strap to seat the driver-side unit. Plan on removing the wheel speed sensor from its bracket, the brake line bracket, the sway bar end link, and the tie rod and upper ball joint nuts. The manufacturer's install sheets for the 2.0 version call for a hoist or screw jack, safety stands, and no impact tools on piston rod nuts. Torque fasteners to factory specification and confirm the 2.5 fastener sizes against the manufacturer's instructions before starting. Finish with a professional or DIY alignment.
