Porsche RND RS Roller IMS Bearing Replacement Retrofit Kit Boxster 911 655019 99310541901 Porsche Double row timing chain Options:1983 84 Cabriolet Convertible Top (German) Porsche Double row timing chain (intermediate shaft) with small sprockets for 996 and precision bent unions between the flange and center hub making this the finest engine stand yoke tool to support your Porsche engine rebuild during disassembly and reassembly Kit also includes adapters to pull stock and LN IMS bearings as well as our ez out tool which allow removal of the stock bearing when the center stud breaks during bearing extraction The IMS Pro Tool kit includes the required bearing puller and driver