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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Made from our own proprietary Manganese Bronze
Must upgrade valve springs
Toyota GR Corolla 1
5-Ply Silicone Couplings
EVAP flange is included for bolt-on installation
inlinePRO K20C1 M-series M11 Xtreme Duty Head Stud Set - K20C1 Honda Civic Made from our own proprietaryFITS: 10th Gen Honda Civic Type R 11th Gen Honda Civic Type R 10th Gen Honda Accord 5th Gen Acura Integra Type S 3rd Gen Acura RDX 2nd Gen Acura TLX The K20C1 Type R M series M11 Extreme Duty head studs are made from the highest quality American steel that have gone through rigorous testing and treatment. These are not prone to hydrogen embrittlement like the L19 H11 material and it can be handled without worrying about failures. We use a true beam
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