SynchroTech 06-11 Civic Si / 05-06 RSX Type S 1st-6th Synchro Set black and a 5th gear cuff

and a 5th gear cuff / brace which is designed to work in your stock case or our billet upgraded case

Ideally suited to circuit racing

American Grade Rivets

or endurance Honda K-series engine and need reliable valvetrain stability under high boost and sustained high RPMs

SynchroTech 06-11 Civic Si / 05-06 RSX Type S 1st-6th Synchro Set black and a 5th gear cuffSynchroTech Pro Series Carbon Synchros These new synchros have been completely redesigned with a full carbon lining instead of just a coating. We've test several different versions and went back to the drawing board numerous times to make sure we've created the best possible synchro on the market! This new material is the result of over a year of testing! In fact, during a two month testing period, the prototype synchro's were subjected to countless