you buy enough parts sooner or latter they all screw up i been there with all of them .its how they fix it is what counts . i have had some screw up so bad on $1000.+ deals just part of the game .i would love to post names on here about 1600. cranks .1000. pistons. 2500. rods . cams. on and on but after all of the bad deals they work it out so i not throwing out names . right now i starting the go around with two parts warehouse i deal with