Description Some J tubes come with welded on tabs so you can link the tubes to the sleds/under pushrod tubes tinware , but some don’t have these . So these big steel P clips bolt around the J tube and the pick bolt holds them nice and tight , then you can bolt the tinware / industrial tinware pieces to them , you will need to open the clamps up to get them around the tubes , or you maybe able to slide onto the j tubes if not fitted to the vehicle . Full set of 4 mounts  Stainless steel version now available BB-416ST is the part number .  ( FOR STOCK DIAMETER J TUBES ) You are buying a set of 4 clamps .