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2005 Pontiac Gto

...thicker rocker stud bosses, and thick wall runners. Fully CNC'd, they incorporate a 66cc combustion chamber, 2.02 intake/1.60 exhaust valves,...
2005 Pontiac GTO - LS2 Heads/Cam Swap

 ...thicker rocker stud bosses, and thick wall runners. Fully CNC'd, they incorporate a 66cc combustion chamber, 2.02 intake/1.60 exhaust valves,...  View Related Article

 

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