Remember these from the oil crisis days of the early 1970's, Gang? Here's a new-in-box Tungsten Hydro-Catalyst carb attachment....just ready to boost your gas mileage by 27% (if you choose to believe the box!). Copyright date of 1973. It would make a nifty garage or workshop display item.

For a four-barrel carb. In never-used condition, with original box. Includes a photo and endorsement by none other than Mario Andretti. Carb bolt spacing 5-5/8" by 5-1/8".

Just $20, plus shipping. Your personal check, money order, or PayPal (you take care of the fees) are all welcomed for payment. Thanks for looking. John