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4 Piston Racing is more than an engine development company — it's a culture built around a lifelong racing obsession. Week in and week out, we’re preparing customers to compete all over the world. There is no off-season and no single discipline that defines us. If it involves racing, 4 Piston is hungry to be there. Living in the racing capital of the world has exposed us to every corner of motorsports, but dirt oval racing holds a special place in our story. It sits at the crossroads of “me and pops built this in the garage” and “a Fortune...

 +21-42whp / +20-45wtq on PUMP GAS. In 2021 we had released a line of camshafts that we were using in our racing engines so that K20C1 owners could benefit from the power gains, extended RPM capability, and the sounds of more aggressive VTEC transition that all of us Honda lovers have come to love. This writeup is to cover the 4P TR2 Drop-In billet camshaft installation into the newest Honda masterpiece…the FL5 Civic Type R. Thank you to the people that facilitated this... HondaProJason for urging us to do the test and for sending his car over Hondata for the...