Genuine Solid Shocks Co. replacement parts and service components. Rebuild kits (seals, o-rings, wiper seals, and wear band) for 3.0″ and 4.0″ coilovers and bypass shocks — precision-matched to factory tolerances. Custom-formulated Neo Synthetic 5w shock oil maintains viscosity under extreme temperatures. Keep your shocks performing at their best. Need a service? Call (714) 265-1450 to schedule at our Temecula, CA shop.