Performance cylinder heads for big block Chevrolet engines
The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. These heads out flow the competition at a price that cannot be touched. Some comparable heads are double the cost of one Shocker 340 CNC. Flowing over...
The Maxx 317 is truly a rare breed in today’s market. An As Cast head that is just as efficient as competition’s CNC ported pieces. Independent flow bench testing shows over 385 cfm with 2.250 Intake valve and over 400 with 2.300 valves. This...
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