Hendrick, Spire and Hyak reportedly use the same engines

A NASCAR host said Hendrick powertrain and engines VP Scott Maxim told her during a commercial break that Hendrick has no A, B or C engine tiers and supplies the same engines to Hendrick, Spire and Hyak. She said they also discussed on air that the teams use a Cup engine for about three races and have an engine success rate above 99%.