Hi,i'm wanting to know if anyone might know where i can find the screw part that screws into the block and goes into the end of the zbar plus both springs.one more things i threw out the rear quarter window seals awhile ago and now i find out that they can not be bought along with the front door inter seals(hard plastic). does anyone know where i might beable find these items .if so i am willing to pay for them asap.later,mark