1990-1993Base · L4.1597cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
1991SE · L4.1597cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
1993LE · L4.1597cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
1994-1997Base · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
1994-1997M Edition · L4.1839cc
Notes: 1994: Size .50mm Undersize Series A Series (Aluminum) Material Grade OE Replacement · 1995: OE Replacement A Series (Aluminum) .50mm Undersize · 1996: OE Replacement A Series (Aluminum) .50mm Undersize · 1997: OE Replacement A Series (Aluminum) .50mm Undersize
1997STO · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
199910th Anniversary · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
1999-2005Base · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
2000-2005LS · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
2000-2003SE · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
2003Shinsen · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize
2004-2005Mazdaspeed · L4.1839cc
Notes: OE Replacement A Series (Aluminum) .50mm Undersize