This HKS crank damper pulley is specified for the 2008 Nissan GT-R VR38DETT application and references required part 21004-AN019. It serves as the replacement damper pulley for that engine, providing the correct pulley form and fit for vehicles using the VR38DETT crank accessory layout and the listed supplemental part requirement for installation.
HKS Crank Damper Pulley VR43 - 2008 Nissan GT-R VR38DETT (Req 21004-AN019)