1992 K2500, 6.5TD, 4X4, 4L80E, reg. cab., 3.42, SS Diesel 4" 409 stainless steel exhaust, AEM air filter with K&N filter sock, SS Diesel cold air, SS Diesel performance waste gate actuator, SS Diesel 21" D-Max fan with heavy duty fan clutch, SS Diesel 180 degree thermostat, PML deep transmission pan, Hayden Ultra Cool trans. cooler. Kennedy OPS bypass.