Set of 2 New SBI brand engine exhaust valves #00970. Brand new/undamaged still in the original box. Compatible with Oldsmobile V8 engines 1964-67 330cid V8, and 68-71 Oldsmobile V8 350cid Without outside air induction. Dimensions are: Head diameter 1.562"; Overall length 4.728"; Stem Diameter .3422"; tip to groove .2280. Seat angle 44 deg.; single groove, with wafer tip. (Enter your vehicle into the compatibility table on this page to check for specific fitment). Warranty/Returns of 30 days. If you'd like to do a package deal on more than one item in my store, send me a message with an offer and I'll see what I can do. To find out if it fits your vehicle, please check by entering your make and model into the ebay catalog (if available). Make sure to match your part number with the number on this unit (if possible). Check fitment information (if it's available) for compatibility to your vehicle before buying. Also, PLEASE check VISUALLY that your parts match before ordering. This can save alot of problems