Available only in the 1973 and 1974 Formula Firebird and Firebird Trans AM, the SD-455 consisted of a strengthened cylinder block that included 4 bolt main bearings and additional material in various locations for improved strength.
The SD-455 consisted of a strengthened cylinder block that included 4 bolt main bearings and additional material in various locations for improved strength. Available only in the 1973 and 1974 Formula Firebird and Firebird Trans AM.
Available only in the 1973 and 1974 Formula Firebird and Firebird Trans AM. The SD-455 consisted of a strengthened cylinder block that included 4 bolt main bearings and additional material in various locations for improved strength.
Available only in the 1973 and 1974 Formula Firebird and Firebird Trans AM. The SD-455 consisted of a strengthened cylinder block that included 4 bolt main bearings and additional material in various locations for improved strength.