Zone Offroad Nitro Shock - 22.95in x 14.65in x 2in - BP18/EB1Zone Nitro Series shock absorber offers stock like control and performance with fully displaced valving for improved compression and extension travel. This vehicle specific valving is pressurized with 50 psi nitrogen gas; this gas charge ensures split second response and reduced aeration. Combine these features with the special Fluon banded piston and this shock is built to perform! Shock absorbers are sold individually and include bushings sleeves.