1969-1970Base · L4.1898cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1969-1971Mark II · L4.1858cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1970-1971Base · L4.1858cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement
1972-1974Base · L4.1968cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement
1972Mark II · L4.1968cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement
1975-1976Base · L4.2189cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1975-1980DLX · L4.2189cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1975-1977SR5 · L4.2189cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1977-1978Custom · L4.2189cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement
1979-1980LE · L4.2189cc
Notes: OE Replacement A Series (Aluminum) .25mm Undersize
1981-1982DLX · L4.2366cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement
1981-1982LE · L4.2366cc
Notes: Size .25mm Undersize Series A Series (Aluminum) Material Grade OE Replacement