the good news. i got my snow performance water meth kit today. the bad news is wed night i blew my injection pump raceing a duramax . i ordered an s/o pump to replace my h/o. along with head studs hamilton bigstick cam shaft, 110 lb valve springs,cromoly pushrods and the new tunnel ram. i was hopeing somebody on here ran some of these parts and could let me know how you like them!