This is a 5th Gear Set for the Acura Integra LS Transmission. This is a direct replacement for the 5th Gears on the 94-01 Integra LS Transmission's. This set is also a popular gear swap for the GSR transmissions, since it is a longer gear it is commonly swapped with the GSR fifth gears to be your cruising gear.
This Fifth Gear Set will only work with the GSR transmission with the case ID of ***S80*** ***Y80***