Synchrotech 1-6 Civic Si 06-10 Carbon Synchro Set
Synchrotech® 1-6 Pro Series Carbon Synchro Set
Fitting: 2006-2010 Civic Si (PNN3 PNN4 SPNM) 6 speed with triple cone 1st/2nd, dual cone 3rd/4th, and single cone 5th and 6th synchro design
Synchrotech® 1-6 Pro Series Carbon Synchro Set
Fitting: 2006-2010 Civic Si (PNN3 PNN4 SPNM) 6 speed with triple cone 1st/2nd, dual cone 3rd/4th, and single cone 5th and 6th synchro design