4P Pro S2K CNC Head Timing Chain Make sure you select the

Make sure you select the correct engine in the drop-down menu

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4P Pro S2K CNC Head Timing Chain Make sure you select theIncludes CNC Ported intake and exhaust ports OEM Guides left in for porting Precision CNC valve job using the latest NEWEN Fixed Turning technology Resurface NO VALVES Recommended Use Pro All Motor, All Motor Street High horsepower turbo and supercharged applications 500 1500+hp USAC Midget High horsepower open class Road Race If you are competitively racing and you are running one of our competitor's heads, make the switch and let the results do the