The Pontiac Pro-port is a good idea but was mfg too small,It should have been a 400cfm head as cast with room all around the port crossection to go 450+,The Edelbrock small block Chev 15 degree pro-port jobber price is 1380$ per pair,however the Pontiac Pro-port is 2500$ .Bill C.
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Checkered Flag Machine & Ceralli Competition Engines
Racing engines and induction development
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