Big trucks use air suspension for a reason. Airide™ suspensions ride better than steel spring
suspensions, and reduce the wear and tear on your equipment. They protect both the driver and
cargo, regardless of the load.
R4Tech is a patented, hybrid air-over-leaf suspension that provides the ride quality of a full-air
suspension with the ease of installation of a standard leaf spring and Ride-Rite™ kit.
The foundation of the R4Tech suspension is designed and manufactured by SANLUIS Rassini, the
preeminent supplier of springs to the North American light truck industry. When combined with
Firestone Airide™ air springs and Ride-Rite™ air accessories, the result is a suspension kit that is
unmatched in terms of durability, reliability, and ride quality.
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R4Tech Suspension Systems:
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