Always on the hunt for hydraulic tricks and techniques that will give your ride that extra twist of cool over the average boulevard ride, we found a light bulb of an idea in the RS Hydraulics shop in San Jose, California.

Robert Velasco, shop owner and Chief Systems Designer, has turned in another innovative idea featuring what he calls “a stress-relieving rear upper trailing arm device,” which gives a car’s frame a much smoother twisting motion when launching into a three wheel pose. For those who have never ducked under older cars, manufacturers designed and installed steel upper (and lower) trailing arms, bushings, and mounts from the underbody, angled directly to the rear axle towards the differential. In this assignment, the new units were inserted on young Ray Velasco’s ’77 Monte Carlo, which has a long body making three wheel tricks difficult to deal with. These units, bolted on by Shop Technician, Sal “Chava” Aguilera, respond to the fact that the energy is traveling vertically and they help to remove the stress off of a car’s frame. They also relieve the pressure on the body and trailing arm mounts when a powerful hydraulics system is tossing the front end up into a three wheel pose. In fact, the old rusty trailing arms applied a certain amount of resistance in keeping the vehicle straight and rigid, when it really needs to be more flexible to handle the motion. In order to make the vigorous action of hydraulics easier on the car, the ever-clever Robert designed a new unit, which is still in prototype and patent-pending status.

Looking at special software diagrams, the plans show it’s made from standard 4340-chromoly steel and part of the unit includes new polyurethane bushings. We’re further told by Robert that these units fit on many early American made cars from the ’60’s to the ’90’s. There are also flexible trailing arms that fit on all GM cars like Buick Regals, Cadillacs, the Cutlass Supreme, and Chevy Impalas ’95 thru ’98. What’s especially unique about this innovation is that the unit relieves bending stresses on the body’s rear quarter panel and the trailing arm mounting brackets, while the ball bearings take all the stress, thus vastly improving the vehicle’s upward flexing performance.

In a highly competitive sales environment, Robert strives to introduce new technologies into the Lowrider market. These new trailing arm units should provide at least the latest attempt at once again changing this corner of the Lowrider world. Our sport needs an injection of products to get excited about; and Robert doesn’t intend to trail in his field, instead, he would rather lead it. Now follow along, as he helps this Monte Carlo get it’s lean on, using the RS upper trailing arms.

1. The ’77 Monte Carlo is the perfect ride to install and test these all new trailing arms.

2. Polyurethane bushings and a half-inch Metal sleeve come inserted in the arms already.

3. Polyurethane bushings and a half-inch Metal sleeve come inserted in the arms already.