Rough Country 450.20 4 Inch Lift Kit · Rear Blocks Ford Bronco 4WD (1978-1979)
- Front lift 4"
- Install 5-7 hours
Questions about fitment? Live chat or call 866-235-4715
Couldn't load pickup availability
- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Important notes before you order
- New rear blocks replace the factory rear block.
- A drop pitman arm is recommended for optimum turning radius and drag link alignment.
- (#6602) (#6602) pitman arm will not work if the original arm has a welded ball joint on the end.
- Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock.
TRU specialist notes
From the Trucks R Us fitment and install team, beyond the manufacturer's information.
- Plan for a professional wheel alignment after installing any lift or leveling kit.
- Going to bigger tires as well? Speedometer recalibration may be needed, and some tire and wheel combinations need trimming. Check the recommended wheels and tires, or ask us before you order.
Specifications
| Brand | Rough Country |
|---|---|
| Part number | 450.20 |
| UPC / GTIN | 8430301271070 |
| Front Lift Height | 4" |
| Front | Lifted coil springs Track bar drop bracket 7° C-bushings Hardware |
| Rear | 3" lift blocks U-bolts Hardware |
| Install time | 5-7 hours |
| Weight (lbs) | 98.60lbs |
| Country of Origin | USA |
| Warranty | Manufacturer’s Warranty Statement |
What's in the box
| Qty | Part | Description |
|---|---|---|
| — | — | Front: Lifted coil springs Track bar drop bracket 7° C-bushings Hardware |
| — | — | Rear: 3" lift blocks U-bolts Hardware |
Features
- Increased ground clearance levels the front with the rear of the vehicle
Fitment
| Years | Vehicle |
|---|---|
| 1978-1979 | Ford Bronco 4WD: Custom, Ranger XLT |
| 1978 | Ford Bronco 4WD: Northland |
Use the fit check above with your truck selected, or ask a specialist if your trim isn't listed.
Recommended wheels & tires
9 tire and wheel combinations from Rough Country.
| Tire | Wheel | Bolt Pattern | Offset | Note |
|---|---|---|---|---|
| 35x12.50R15 | Factory 15 | 5x5.5 | – | – |
| 33x12.50R16 | 16x8 | 5x5.5 | +30 | – |
| 35x12.50R22 | 22x10 | 5x5.5 | -19 | – |
| 295/55R22 | 22x10 | 5x5.5 | -19 | – |
| 285/55R22 | 22x10 | 5x5.5 | -19 | – |
| 35x12.50R22 | 22x10 | 5x5.5 | -18 | – |
| 295/55R22 | 22x10 | 5x5.5 | -18 | – |
| 285/55R22 | 22x10 | 5x5.5 | -18 | – |
| 35x12.50R22 | 22x12 | 5x5.5 | -44 | Trimming Required |
Installation
- Estimated install time5-7 hours
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
Give your 78-79 Ford Bronco an aggressive look from front to rear with Rough Country’s 4" Ford Suspension Lift Kit! This easy-to-install leveling kit raises the front of your vehicle to be equal height with the rear for a leveled, flush look that gives a better ride height and more aggressive appearance. This kit features a set of front, durable coil springs allowing you gain additional ride height without sacrificing ride quality or performance. A set of 7 degree c-bushings and track bar drop bracket are provided to keep everything at optimum angles for a factory-like ride, even after lifting. Our fabricated rear blocks offer considerably more strength than their cast iron counterparts. A set of Rough Country's premium N3 shocks are also included in this kit. These fine tuned 10-stage variable high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body. Get the wheels you want! Rough Country's 4" Ford Suspension Lift Kit comes with everything you need to fit up to a 35" tire with proper wheel backspacing. Best of all, Rough Country's 4" Ford Suspension Lift Kit is backed by our Lifetime Replacement Warranty.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
Do I need an alignment after installing?
Yes. Any lift or leveling kit changes suspension geometry, so get a professional alignment after installation.
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About Rough Country
Rough Country is a leading manufacturer and distributor of off-road accessories and suspension systems. Built on a foundation of American values and rooted in Tennessee, we use our expertise of trucks, Jeeps, and UTVs to help people drive their passions... Shop all Rough Country