OER Parts offers a wide selection of Floor Insulation and Sound Deadeners for your 1966 Oldsmobile Delta 88. OER Parts offers 1966 Oldsmobile Delta 88 Acousti Shield Insulation, 1966 Oldsmobile Delta 88 HushMat Insulation, 1966 Oldsmobile Delta 88 Dynamat Xtreme Interior Insulation, 1966 Oldsmobile Delta 88 Quiet Ride Insulators, 1966 Oldsmobile Delta 88 Thermo-Tec, 1966 Oldsmobile Delta 88 Thermo-Guard FR, 1966 Oldsmobile Delta 88 Retainer Clips, 1966 Oldsmobile Delta 88 LizardSkin Sound Control, and 1966 Oldsmobile Delta 88 LizardSkin Sound Control & Ceramic Insulation Kit.