Year | Car Type | Stock | Plus Level 1 | Plus Level 2 | Plus Level 3 | Plus Level 4 | Plus Level 5 | Plus Level 6 | Plus Level 7 | Plus Level 8 | Plus Level 9 |
1986-95 | Mustang 5.0L | 150819 | - | - | 150824 | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 |
1991-93 | Thunderbird 5.0L | 150819 | - | - | 150824 | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 |
1991 | Cougar 5.0L | 150819 | - | - | 150824 | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 |
1996-98 | Mustang 4.6L SOHC | - | - | 150824 | 180826 | 150830 | 150832 | 150836 | 150840 | 150848 | - |
1992-97 | Crown Vic. 4.6L SOHC | - | - | 150824 | 180826 | 150830 | 150832 | 150836 | 150840 | 150848 | - |
1992-97 | Grand Marquis 4.6L SOHC | - | - | 150824 | 180826 | 150830 | 150832 | 150836 | 150840 | 150848 | - |
1991-94 | Lincoln Town Car 4.6L SOHC | - | - | 150824 | 180826 | 150830 | 150832 | 150836 | 150840 | 150848 | - |
1993-95 | Mustang Cobra 5.0L Cobra R 5.8L | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 | - | - | - | - |
1993-98 | Lincoln Mark VIII 4.6L DOHC | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 | - | - | - | - |
1993-98 | Lincoln Continental 4.6L DOHC | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 | - | - | - | - |
1996-98 | Mustang 4.6L DOHC Cobra | 150826 | 150830 | 150832 | 150836 | 150840 | 150848 | - | - | - | - |
1985-96 | Ford E, F Series Truck 5.0L | - | - | 150824 | 150836 | - | - | - | - | - | - |
1988-96 | Ford E, F Series Truck 5.8L | - | - | 150824 | 150836 | - | - | - | - | - | - |
196-99 | Ford E, F Series Truck 4.6L | - | - | 150824 | 150836 | - | - | - | - | - | - |
1996-99 | Expedition 4.6L | - | - | 150824 | 150836 | - | - | - | - | - | - |
1996-99 | Ford E, F Series Truck 5.4L | - | - | 150824 | 150836 | - | - | - | - | - | - |
1998 | Expedition, navigator 5.4L SOHC | - | - | 150824 | 150836 | - | - | - | - | - | - |
1988-91 | Ford E, F Series Truck 7.5L | 150824 | 150826 | 150830 | 150832 | - | - | - | - | - | - |
1992-97 | Ford E, F Series Truck 7.5L | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - | - |
1985-92 | Camaro/Firebird 5.0L TPI | 150819 | - | - | 150824 | 150826 | - | - | - | - | - |
1986 | Corvette 5.7L iron head | - | - | 150824 | 150826 | 150830 | - | - | - | - | - |
1989-91 | Corvette 5.7L except ZR-1 | - | - | 150824 | 150826 | 150830 | - | - | - | - | - |
1989-91 | Camaro/Firebird 5.7L TPI | - | - | 150824 | 150826 | 150830 | - | - | - | - | - |
1985 | Corvette 5.7L TPI | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1986 | Corvette 5.7L Aluminum head TPI | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1987-88 | Corvette 5.7L TPI | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1987-88 | Camaro/Firebird 5.7L TPI | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1992-93 | Corvette 5.7L LT-1 | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1993 | Camaro/Firebird 5.7L LT-1 | 150824 | 150826 | 150830 | 150832 | 150836 | - | - | - | - | - |
1994-96 | Corvette 5.7L LT-1 | 150826 | 150830 | 150832 | 150836 | 150840 | - | - | - | - | - |
1994-97 | Camaro/Firebird 5.7L LT-1 | 150826 | 150830 | 150832 | 150836 | 150840 | - | - | - | - | - |
1995-96 | Impala SS and Full size 5.7L LT-1 | 150826 | 150830 | 150832 | 150836 | 150840 | - | - | - | - | - |
1996 | Corvette 5.7L LT-4 | 150826 | 150830 | 150832 | 150836 | 150840 | - | - | - | - | - |
1996-97 | Camaro/Firebird 5.7L LT-4 | 150826 | 150830 | 150832 | 150836 | 150840 | - | - | - | - | - |