Synchrotech ITR B16 Pro Series 1-4 Gear Set FlashPro Some case grinding may be

Some case grinding may be required to clearance the gears

and data-logging cable*

Premium Triple-Lip Seal to maximize grease retention and prevent contamination

Arc Duration: 3

MFactory EVO IV-IX 5 speed 4

Synchrotech ITR B16 Pro Series 1-4 Gear Set FlashPro Some case grinding may beThese gears are direct fitment for the B18C USDM ITR and B16A2 Civic Si. They are designed with a longer 1st for a better launch and 2 4 ratios that are perfect for the All Motor B series. The OEM B16 ITR main shaft and 5th gears can be reused or the 5th gears can be replaced with a MFactory shaft brace. The 3rd and 4th gears are designed with a replaceable synchro gear cone. Even when you damage the engagement teeth from a mis shift, you can replace