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2001 Chevy Camaro Z28

These 243s contain a lot of technology for the price. They are CNC-ported and  feature a 64cc combustion chamber and stock 2.00/1.55-inch valves. Patriot  Gold valvesprings are included, as is a new set of GM head bolts for the install. A  comparison with a stock LS1 head (below) reveals the chamber work on the  Patriot heads (right)....
2001 Chevy Camaro Z28 - Budget Badass

These 243s contain a lot of technology for the price. They are CNC-ported and feature a 64cc combustion chamber and stock 2.00/1.55-inch valves. Patriot Gold valvesprings are included, as is a new set of GM head bolts for the install. A comparison with a stock LS1 head (below) reveals the chamber work on the Patriot heads (right)....  View Related Article