The offered UPS A set of M12 head pins is the result of many years of experience that we gained when designing and building motorsport engines. Thanks to the involvement of our engineers and access to advanced materials, we are pleased to offer unsurpassed quality at an affordable price. Pins without a problem withstand a tightening torque at 120 nm (and more). A necessary element for each turbo conversion as well as in the case of broken M10 threads in M52 and M54 aluminum engines. Note to other "similar" solutions in class M10 with a similar price, which flows in a short time at 1.2 bar. Only diameter and material far exceeding the class 12.9 will behave as it belongs. Using the M12 headpiece set is the result of a multi-annual experience that we gained when designing and building motorsport engines. Thanks to the involvement of our engineers and access to advanced materials, we are pleased to offer unsurpassed quality at an affordable price. Pins without a problem withstand a tightening torque at 120 nm (and more). A necessary element for each turbo conversion as well as in the case of broken M10 threads in M52 and M54 aluminum engines. Note to other "similar" solutions in class M10 with a similar price, which flows in a short time at 1.2 bar. Only diameter and material far exceeding the 12.9 class will behave as it should.