The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Did GM make a non-vortec center bolt head?

**kwmech** · 05-18-2005, 01:17 AM

The TBI heads had the center bolt valve covers, and have the 12 bolt intake and the 4 center bolt holes were angled differently.

05-18-2005, 01:17 AM	#2
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,389	The TBI heads had the center bolt valve covers, and have the 12 bolt intake and the 4 center bolt holes were angled differently.