MasterPro Chassis Idler Arm - K6149 Part #: K6149 Line: MPC MasterPro Chassis Idler Arm Limited Lifetime Warranty Hardware Included: No Attachment Method: Bolt-On Dust Boot Included: Yes Grease Fitting Included: Yes Greaseable: Yes Length Center To Center (in): 12.250 Inch Washer Included: No Length Center To Center (mm): 138mm Pre-Greased: Yes Castle Nut Included: Yes Cotter Pin Included: Yes Lock Nut Included: No Bolt Hole Center To Center (in): 2.400 Inch Bolt Hole Center To Center (mm): 60mm Nut Wrench Size: 22mm Show More Show Less