Ultima | Rear Shock Absorber HD Gas Standard Height IRS | Holden Commodore Sedan VP VR VS VT VX VY VZ 1991–2006 | 400290Ultima Rear Heavy Duty Gas Shock Absorber (Single) for Holden Commodore IRS Sedan (Standard Height) VPVZ 19912006 This Ultima Rear Heavy Duty Shock Absorber (400290) is a robust, gas charged component specifically engineered for the Independent Rear Suspension (IRS) of the Holden Commodore Sedan models, spanning the VP, VR, VS, VT, VX, VY, and VZ series. This Heavy Duty shock is optimized for use with **Standard Height Coil Springs**, providing a