OEM GM crankshaft balancer bolt for the LF3/LF4 engine. This bolt is torque to yield and should be replaced whenever servicing the balancer. 

When upgrading to an ATI damper we also recommend replacing this bolt. 

Fits: LF3, LF4, and GM 3.6L high feature V6 engines. 2016-2019 Cadillac ATS-V, 2014-2019 Cadillac CTS V-Sport, 2013-2019 Cadillac XTS V-Sport, 2022-Present Cadillac CT4-V Blackwing.