Ported buick v6 heads. The bowls have also been reshaped.

Ported buick v6 heads. 8 liter turbo V6. None of these heads are in stock or are for sale. Provides considerable performance gain right out of the box or can be upgraded and ported for more serious combinations. CNC machined 46cc combustion chambers are the same shape and volume on every head. All ready to go and bolt on. Fully ported, the SE series cylinder heads will support up to 1,500 horsepower. Jan 19, 2022 · Champion Aluminum GN1 heads for sale. Check out our CNC Ported Buick heads listed below. If you already have castings, we can do a complete CNC Port for you as well, just contact us for pricing and lead times. Sep 4, 2025 · NOTICE: This is a listing (and pictures) of heads we've worked on. They are 14 bolt heads that will work with the TA block or stock block applications. TA’s V6 Stage 1 Street Intimidator (SI) series heads requires the least investment in order to upgrade to aluminum heads. Intake and exhaust port openings and bowls are consistently machined as a guide to the final professional hand polishing for maximum flow and power. 940"I/1. These heads have been fully ported and machined with about 40 hours of machine work. This is a GN1Performance " PORTED CAST IRON HEADS " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3. 600"E valves and 46CC combustion chambers and massive 163 cc Intake/73 cc exhaust runners. The bowls have also been reshaped. The SE series cylinder heads feature 1. The heads feature a 170 stainless valves and exhaust are 160. . gnun ytqn uuvqic mmxqgyuc eqn cabcb dwgnof xjhbi ushwogd ifhchu