This gear set features a close ratio 3/4/5 gear set, with 3rd of 1.636, 4th of 1.310, and 5th of 1.054. Additionally, the Pro Series Carbon Composite Synchros come with a dual cone 3-4 and single cone 5th. Suitable for 1994-2001 USDM Acura Integra B18C GSR ITR Y80 S80, B16 Hydro S4C Y21, other ratios are also available, such as: 3rd of 1.667/1.700, 4th of 1.357/1.410, and 5th of 1.129/1.207.