MasterPro Chassis Idler Arm - K400018 Part #: K400018 Line: MPC MasterPro Chassis Idler Arm Limited Lifetime Warranty Hardware Included: Yes Attachment Method: Stud Dust Boot Included: Yes Grease Fitting Included: Yes Greaseable: Yes Length Center To Center (in): 6.200 Inch Washer Included: No Pre-Greased: Yes Lock Nut Included: Yes Show More Show Less