The engin e types may include 3.9L 3933CC 240Cu. l6 GAS OHV Naturally Aspirated,4.9L 4917CC 300Cu. l6 BI-FUEL OHV Naturally Aspirate d,4.9L 4917CC 300Cu. l6 LPG OHV Naturally Aspirated. This part fits vehi cles made in the following years 1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1984,1985,1986,1987,1988,1989,1990,1991,1992,19 93,1994,1995,1996,1997.