4P RACE CASTING CNC Cylinder Head Stroker Kits Every detail matters when you

Every detail matters when you are chasing the edge

and this new engine will further open that gap

-Upgrade for Honda TC and TCR

There is nothing you can do to avoid this

4P RACE CASTING CNC Cylinder Head Stroker Kits Every detail matters when youIntroducing the 4P Race Casting Months of development has lead to this. In 2018 we worked tirelessly on developing a superior port for our Billet K20 cylinder head. It is a clean slate design that could not fit into any OEM cylinder head casting, and one that outflowed anything on the market by a landslide. Unfortunately after complaints from our competitors, our Billet head was banned from competition. We immediately put that energy into developing a