The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - trade?Want 400sb-have 396bb

**Warrens69GMC** · 10-15-2003, 04:14 PM

The casting no# is 063 as stated in the first ad. This identifies them as 101cc closed chamber heads used on 335/350/375 horse 396 1966-1970.
warrens69gmc

10-15-2003, 04:14 PM	#4
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,626	063's The casting no# is 063 as stated in the first ad. This identifies them as 101cc closed chamber heads used on 335/350/375 horse 396 1966-1970. warrens69gmc