This item has been superseded. See the drive collar.
https://www.mazworx.com/oil-pu...
This coller is needed when using a standard oil coller (1.2" 30.5mm length) and a VE oil pump. It will go between the timing chain sprocket and oil coller to space it out to engage the oil pump fully. Machining the damper the thickness of the spacer is required.