The Thumpr Cams have become one of the most popular selling camshaft series of the COMP Cams line, so make sure to buy a Thumpr t-shirt to match. With a full color design on the back and the newest Thumpr logo on the front, this shirt is perfect wear for that cruise-in to show off your nasty sounding, Thumpr-equipped ride. Availabe in sizes S-XXXL in either tan or charcoal colors.
