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0402phr Sarver 08 Z

The intake valves are .250-inch longer than stock. Flow numbers were found at 28 inches of water and at .700-inch lift, and checked in at 369 cfm with clay surrounding the port.
Chevy Vs. Chevy

The intake valves are .250-inch longer than stock. Flow numbers were found at 28 inches of water and at .700-inch lift, and checked in at 369 cfm with clay surrounding the port.  View Related Article

 

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