Long Form Version: https://youtu.be/_sMDT_fIiLw Of course we're mostly joking, but these should be a pretty good set of high performance heads for our customer! Instagram: @jamsionline Facebook: JAMSI Online TikTok: @jamsionline Websites: https://www.jamsionline.com https://www.jimsmachineinc.com For business inquires: Contact [email protected] #automotivemachining #jimsautomotivemachineshop #powerstroke