67' 911S - Casting Number: R901.104.305.02
67' 911S - Intake Port Size: 35mm
67' 911S - Exhaust Port Size: 33mm
Helping a friend in Germany find a complete set of matching 1967 911S heads. If by chance you have a set for sale, please 'pm' or email me directly at AJSERRANO at MSN dot COM.
Thank you.
Armando