Precision Chassis Idler Arm - K6390 Part #: K6390 Line: PRE Precision Chassis Idler Arm Limited Lifetime Warranty Hardware Included: Yes Attachment Method: Bolt-On Dust Boot Included: Yes Grease Fitting Included: Yes Length Center To Center (in): 8 Inch Washer Included: No Length Center To Center (mm): 203mm Pre-Greased: Yes Castle Nut Included: Yes Cotter Pin Included: No Lock Nut Included: No Nut Wrench Size: 7/8 Inch Show More Show Less