Full-Size Bronco 64″ Long Travel Leaf Spring Kit
$1,160.00
GIANT MotorSports 64″ long-travel leaf spring kit for 80-96 full-size Ford Bronco. Spring-under conversion gives 8–10″ of droop and up to 19″ of total wheel travel. Includes mounts, shackles, and bash plates.
Out of stock
The Spring-Under Conversion Explained
Stock full-size Broncos run a spring-over-axle setup from the factory, which limits how much arch and free length the leaf spring can have. The GIANT MotorSports 64″ kit flips that arrangement — mounting the spring below the axle instead of above it. That change unlocks 7″ of additional spring length and 17″ of free arch, which translates directly into 8–10″ of droop from ride height and up to 19″ of total wheel travel.
The result is a Bronco that articulates like a purpose-built race truck while still being driveable on the street. Race-proven — this kit has been run at events including the 2018 SNORE by driver Josh Bradfield (#2014).
What Is Included
- Front frame mounts
- Rear frame mounts
- Shackles
- Bash plates
What Is Not Included — And Why
Springs, bushings, and U-bolts are sourced separately from Deaver Spring Co. We do not bundle them because Deaver builds springs to your specific weight and application — a loaded trail rig needs a different spring rate than a race truck. Call Deaver directly with your application and they will spec the right pack.
Compatible Shock Upgrades
This kit pairs directly with the Bronco Under-Bed Link Killer Shocks and Mounts. The 3.25″ Solid Shock Co. bypass shock setup bolts under the bed and, combined with this spring kit, can pull a full 20″ of travel. A 4.0″ shock is also available for more aggressive builds.
Compatible Vehicle
1980–1996 full-size Ford Bronco. Not for Ranger, F-150, or other platforms — each has its own geometry-specific kit.
Installation Notes
Frame mounts weld on. This is a moderate-to-advanced fabrication job — you will need a lift, basic welding capability, and a good understanding of suspension geometry to set pinion angle correctly after the conversion. Call or text 714-265-1450 if you have questions about your build before ordering.
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