hi , this is my first post however i have been serial lurking here for years , and a quick search here has been my go to source for anything pinball , i recently acquired a genesis and the bumper posts at the end of both ramps are incorrect (the 2 posts at the mouth of each ramps entry ) these posts take the rubber sleeve , i need a part # or exact size so i can order from marcos , anyone with a genesis able to measure or know for sure ??