Zip Corvette has the best quality Corvette Parts available for your 1984-1996 Corvette. Whether you’re maintaining your 4th generation Corvette or completing a full restoration, our selection of C4 Corvette Engine and Performance parts is unsurpassed. Our inventory selection includes EGR valves and sensors, as well as smog pumps, diverter valves, and vapor canisters to meet your Corvette needs. In addition, Zip stands behind all of our Corvette parts with our "No-Hassle Guarantee" - That\'s customer service the Zip way!