Bilstein 5100 Series Monotube Rear Shock - Zinc Plated - 6 in Lifted - GM Fullsize SUV / Truck 1975-91 Steering Columns Shafts & Components the engine can RPM as

the engine can RPM as high as the torque converter stall

Springs keep coil-overs properly indexed in platforms

Load controlling "bump stop" - the legs are connect to the collar along with a unique bump stop that smooths out the initial tether loading and allows proper collar angle

Because no significant backpressure has been introduced

Bilstein 5100 Series Monotube Rear Shock - Zinc Plated - 6 in Lifted - GM Fullsize SUV / Truck 1975-91 Steering Columns Shafts & Components the engine can RPM asBilstein 5125 Series Shock Absorbers are designed to be used on custom vehicles in order to achieve the desired ride. The high gas pressure monotube shocks are sold by lengths and damping rates rather than by application. These shock absorbers all come with 5 8" eyelets with hour glass bushings on both ends. The shocks feature a 46mm digressive piston with self adjusting deflective disc valving. Lifted Truck; 303. 5mm; Stroke 11. 94"; Front Rear;