When changeing my con. i noticed the splines no front pump were 1/2 wore out, almost rooled over. I need to change the pump.can i get a stock one or up grade best place to get it.---- Does this mean i should look for outher internal problems or is f/p spline damage self contained. need to go cheep rout spent all my $$$ on turbo-inj-chip-n/lconv-linelock big w/c-rear seal(lots of work ror a 5$ part hehe)valve springs// THANKS FOR ANY HELP