Synchrotech ITR B16 Pro Series 1-4 Gear Set Subaru These spark plugs are available

These spark plugs are available with a factory gap or a custom gap for your set up easily selected with the drop-down window above

and deliver the most accurate

Includes pigtails PGTJETR4Q or add Plug & Play adaptors PADPJtoD4

propane and CNG

up to 118 mJ

Synchrotech ITR B16 Pro Series 1-4 Gear Set Subaru These spark plugs are availableThese 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