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