Trivia: How much did the 440 option cost for a 1968 Roadrunner?

sorry but the 440 super commando along with the Hemi were available in the 68 GTX

http://www.hamtramck-historical.com/images/dealerships/DealershipDataBook/1968/68_Belvedere0004.jpg

Correct! The 440 was the standard GTX engine with the Hemi as the only other option! Plus you could order the 440 in a Sport Satellite too in 1968.