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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
High flow 3" mandrel piping
Simplified split-type design
At the heart of this intelligent design lies an exhaust valve that works in perfect harmony with the factory valve actuator
Additional upgrades are recommended for maximum performance
Increased bottom-end power and spool
inlinePRO K20C1 M-series M11 Xtreme Duty (Main) Stud Set - K20C1 J-series High flow 3" mandrel pipingFITS: 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 Attention: These are not Headstuds, they are for the crank and built block The K20C1 Type R M series M11 Extreme Duty main studs are made from the highest quality American steel that have gone through rigorous testing and treatment. We use a true beam design all the way through the length of the stud