This is a brand new set of two (2) 1968 - 1982 Corvette Molded Heater Hoses for Vettes with Factory - installed Air Conditioning A/C AC  Molded ends are 5/8 inch and 3/4 inch. Designed to meet or exceed OEM. Works for both Small Block and Bog Block Vettes. Quality factory original reproduction (No logos). Our decades of excellent customer service on Ebay shows in our Feedback. Please contact us if there is a problem and we will do our best to make it right.