Butler Performance Inc. - Cylinder Heads / Top End Kits

Cylinder Heads / Top End Kits
One of the most important components to an engine's performance is cylinder heads. Butler Performance is the main source for stock and performance cylinder heads for your Pontiac.

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Cylinder Heads / Top End Kits - Top End Power Packages
Cylinder Heads / Top End Kits - CNC Cylinder Head Porting Services
Send us your Edelbrock heads for custom CNC porting. We can arrange to ship your heads to us where they will be inspected CNC ported using our Butler CNC Porting Process.
Cylinder Heads / Top End Kits - All Pontiac/Tiger Cylinder Heads - 400+ CFM
Bare 356-T6 Aluminum, 400+ cfm flow out of box, 50cc combustion chamber, 310cc intake port, Will accept up to 2.300 intakes, & 1.800 exhaust valves, Guides & seats included
Cylinder Heads / Top End Kits - Pontiac Cast Iron Cylinder Heads
BP ports more Pontiac cylinder heads than anyone in the world. After years of extensive R&D both on the flow bench and on our track, we have developed some of the best performing round port and...More Details »


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