1,211
WATERVLIET
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They also feature the highest quality intake and exhaust valves and valve springs. Port Vol.; 375-500HP; Standard Port; 60cc Chamber Vol.; 2.02 in. Intake Valve/1.60 in. Intake Valves Are For Pistons Notched For V. Clearance~ Designed For Non-Emissions 289/302/351W Ford Engines~ Max Perf.