New. 2004-1993 FO V8 281CI 4.6L DOHC 32 Valve; 2004-2003 FOT L/D V8 281CI 4.6L DOHC 32 Valve; 2004-2003 FO V8 281CI 4.6L DOHC Supercharged 32 Valve; 2005-1991 FO V8 281CI 4.6L SOHC 16 Valve