Feature:1. Applicable Model: Heater hose fitting is replacement for Chevy Chevelle Camaro Nova Impala 1964 to 1979, please confirm whether your model is applicable before buying.2. Replacing Part Number: The part numbers of heater hose fitting for reference are 9514, 9515, please confirm whether it is consistent with the OE you need.3. Size: The 3in straight fitting with 3 or 4in hose nipple and 1 or 2in pipe thread for the water pump. 1 3 or 4in fitting with 5 or 8in nipple and 1 or 2in pipe thread.4. Rustproof Material: Heater hose fittings are made of premium stainless steel, rustproof and highly durable, ensuring tight connection between hoses.5. Easy to Use: You will receive two different sizes fittings for different purposes, easy to install and use, no professional tools and technology required.Specification:Item Type: Heater Hose FittingFitting 1 DimensionsLength: 3in, Hose Nipple: 3 or 4in, Thread: 1 or 2inFitting 2 DimensionsLength: 1 3 or 4in, Thread Nipple: 5 or 8in, Thread: 1 or 2inPart Number: 9514, 9515Fitment:Replacement for Chevy Chevelle 1964-1979Replacement for Chevy Camaro1964-1979Replacement for Chevy Nova 1964-1979Replacement for Chevy Impala 1964-1979Applicable Engine Model:Replacement for chevy small block engines 283 305 327 350 383.Package List:2 x FittingNote:Please double check the part number and fitment of your item, matching information is for reference only.