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Brian Crower valve guides specified as 6.6mm intake guides for the Nissan VQ35DE are replacement engine guides intended to provide correct valve-to-guide fit for that engine. The listing identifies the exact guide diameter and target engine so engine builders and technicians can confirm compatibility when performing head work or valve service on VQ35DE-equipped engines.
Brian Crower Valve Guides - 6.6mm Intake Nissan VQ35DE
