2.5 Inch Billet 4140 Johnny Joint with 1-1/4 LH Threaded Stud Billet Johnny Joint rod ends feature CNC machined 4140 chrome moly construction; 1 1/4-12 left hand threaded shank; fully assembled with our standard Johnny Joint internals (2.625 wide ball center with a 9/16 thru bolt hole); These units are external Currie Currie 2.5 Inch Billet 4140 Johnny Joint with 1-1/4 Inch LH Threaded Stud - CE-9114CML CE-9114CML Flex Joints