Skyjacker Suspension Suspension Leaf Spring Block Kit

Skyjacker Suspension Leaf Spring Block Kits: Precision Lift from a Proven Name

Skyjacker Suspension has been engineering purpose-built off-road suspension components since 1974, and their suspension leaf spring block kits reflect the same exacting standards that have made the brand a benchmark in the industry. Since 1974, Skyjacker has led off-road suspension with innovative products, trusted quality, and three generations committed to performance. That legacy carries directly into their leaf spring block kit lineup — components that are often overlooked but absolutely critical to achieving a proper, level lift.

What Leaf Spring Block Kits Do — and Why Skyjacker Does It Right

Rear lift blocks are inserted between the leaf spring pack and the axle housing to raise the rear of the vehicle, correcting ride height and enabling fitment of larger tires. Skyjacker pairs these blocks with precision U-bolts to ensure the axle is clamped firmly and squarely — a detail that matters enormously for pinion angle, driveline vibration, and overall handling. A rear block and U-bolt kit delivers a more level stance, making these kits a practical, cost-effective solution for trucks and Jeeps that need targeted rear lift without a full spring replacement.

Skyjacker's block kits are engineered as part of a complete suspension system philosophy. Their philosophy has always been to provide the best-designed and engineered suspension lift and off-road ride control products, defining a quality suspension as one that works in both form and function to the highest level of performance possible, using the highest-quality resources available. This shows in the tolerances and material quality of their block kits — they're designed to complement Skyjacker's broader lift systems, not just serve as an afterthought.

Engineered to Work Within Skyjacker's Softride® Ecosystem

Skyjacker's leaf spring block kits are frequently used alongside their signature Softride® leaf spring systems. Skyjacker's legendary Softride® technology achieves maximum wheel travel, ride quality, and extends the long-lasting life of the leaf spring — starting with 5160H chromium alloy material, an advanced method of shot peening, and a presetting process that removes fatigue and stress from the spring and eliminates sagging. While the blocks themselves are straightforward lift components, their geometry is tuned to preserve the ride qualities that Softride® springs are designed to deliver.

Skyjacker's dedication to quality is evident in all of their suspension products — their leaf spring axle shims, for example, are made from high-quality aluminum to allow for accurate pinion angle adjustment and better ride control. That same attention to detail extends throughout their block kit lineup, where correct pinion angle correction is key to preventing driveline wear after a lift.

Application Coverage for Trucks, SUVs, and Jeeps

Skyjacker offers a wide range of quality suspension products designed to fit most Chevy and GM, Dodge and RAM trucks, Ford, Jeep, and Toyota vehicles. Their leaf spring block kits reflect that broad application coverage, with 13 fitment-specific options available. Whether you're leveling a half-ton pickup, correcting the stance on a solid-axle Jeep, or finishing out a multi-component lift system on a full-size truck, Skyjacker provides a properly engineered block kit for the application. At Skyjacker, their motto is "we test where you ride" — every component, including rear lift blocks, is validated in real-world off-road conditions before it reaches consumers.