Synchrotech® 3rd Pro Series Carbon Synchro
*Carbon Composite Lining
*Stronger Brass Body
*Improved Lock Angle
*More Surface Contact
*Stronger Bonding
*Improved Oiling
Fitting: 3rd or 4th gear K20/EP3 6 speed 02-06 RSX, 01-06 JDM ITR/CTR, 06-08 Civic Si