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4 Piston Racing Logo is raised stitch
The top of the valve will still utilize your existing 5
High quality 4 Piston T-Shirt in Bright RED print
with peak power moved up the RPM band
Class wins and record ETs from multiple teams with different chassis
4P Outlaw V2 GSR CNC Head R40 4 Piston Racing Logo isOutlaw V2 More CFM, More Horsepower 4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve
