Rear Heavy Duty Coil Spring Boosters Material: NR+RR Size: 3.5"*2"*1.2" Hardness: 60-70 Shore A

Rear Heavy Duty Coil Spring BoostersMaterial: NR+RRSize: 3.5"*2"*1.2"Hardness: 60-70 Shore A   

Applications: Rubber coil spring boosters are inserted between coils of springs with tap of a hammer.

Stops dangerous spring sag. Restores life to coil springs, corrects alignment and raise front/rear of vehicle to relieve tension/compression/weight on springs.

Materials: Natural Rubber and Reclaimed Rubber.

Hardness: From 75 to 85 shore A durometer.

Colors: Black color

Temperature Rage: -40°C to +120°C.

Rear Heavy Duty Coil Spring Boosters