inlinePRO K20C1 M-series M11 Xtreme Duty (Main) Stud Set - K20C1 J-series Their partnership has allowed them

Their partnership has allowed them to increase production capacity and decrease shipping times

Simplified split-type design

The Stillen Rear Sway Bar is the perfect complement to our power-enhancing products

Increased bottom-end power and spool

At the heart of this intelligent design lies an exhaust valve that works in perfect harmony with the factory valve actuator

inlinePRO K20C1 M-series M11 Xtreme Duty (Main) Stud Set - K20C1 J-series Their partnership has allowed themFITS: 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