NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK’s premium ignition products are manufactured to the highest durability and operational performance to meet OE standards. The Ignition Specialist™ full-line product offering includes: spark plugs, glow plugs, ignition coils, coil-on-plug boots and wire sets. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™ offering quality replacement parts for domestic and import vehicles.This Part Fits: Year Make Model Submodel 1973 Buick Centurion Base 1973-1974 Buick Century Base 1973-1974 Buick Century Luxus 1973-1974,1976 Buick Electra 225 1973-1974 Buick Electra 225 Custom 1974 Buick Electra 225 Limited 1973 Buick Electra Base 1975 Buick Electra Custom 1975-1976 Buick Electra Limited 1973-1976 Buick Estate Wagon Base 1973-1975 Buick LeSabre Base 1973,1975-1976 Buick LeSabre Custom 1974 Buick LeSabre Luxus 1973-1974 Buick Regal Base 1973-1976 Buick Riviera Base 1975 Buick Riviera GS 1976 Buick Riviera Sport 1976 Buick Riviera SR