This is a Synchro kit for the 2WD or 4WD 5 speed Nissan with the FS5W71C transmissions for the years 1980-1984. This transmission used the same size synchro rings in 1-4 and a bronze synchro ring in 5th! This transmission can be found in the Nissan: 200SX 1980-84 280ZX 1980-83 810 1980-81 (including the 2.8L diesel) Maxima 1982-84 (including the 2.8L diesel) 720 Series Truck 1982-84 *Note: Nissan used a variety of transmissions so it is very important to compare your transmission with the information below to make sure you get the correct Synchro kit. SRK104 This Transmission is made with a (1) piece aluminum case and bell housing and uses a 63/22 front countershaft bearing (2.200" or 60mm outside diameter).