Good point, I kind of overlooked that didn't I... Anyway, checking on line, a place called Campbell Enterprises lists the Sealed Power #238P as a flattop piston for 413, here's a link, heck can't hurt to check with them: http://tinyurl.com/c3nvt2 -- [Non-text portions of this message have been removed] ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.