1956Base · V8.4540cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1957-1967Base · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1957-1958Base · V8.5130cc
Notes: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize
1957-1967Base · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1959Sport · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1962-1971Sport · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1964-1965Base · V8.4473cc
Notes: 1964: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize · 1965: N - Narrowed H Series (Tri-Metal) .009in Undersize
1966-1974II Base · V8.5211cc
Notes: 1966: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize · 1967: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize · 1968: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1969: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1970: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1971: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1972: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1973: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1974: N - Narrowed H Series (Tri-Metal) .009in Undersize
1966-1974III Base · V8.5211cc
Notes: 1966: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize · 1967: Position 1, 3 and 5 N - Narrowed H Series (Tri-Metal) .009in Undersize · 1968: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1969: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1970: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1971: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1972: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1973: N - Narrowed H Series (Tri-Metal) .009in Undersize · 1974: N - Narrowed H Series (Tri-Metal) .009in Undersize
1966VIP · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968Custom Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968Custom Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968-1974I Base · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968-1974I Base · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968-1974II Base · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968-1969II Custom Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968-1974III Base · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968-1969III Sport Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968-1971Sport · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968Sport Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968Sport Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1968-1969VIP · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1968-1969VIP · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1969I Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1970-1974Custom Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1970-1974Custom Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1970S-23 · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1970S-23 · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1970-1974Sport Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1970-1974Sport Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1970-1974Suburban · V8.5212cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1970-1974Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1971Custom · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1973Custom Suburban · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974Custom Suburban · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974I Base · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974I Base · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971I Suburban · V8.5211cc
Notes: N - Narrowed H Series (Tri-Metal) .009in Undersize
1971-1974II Base · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974II Base · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974III Base · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974III Base · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971Sport · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971Sport · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974Sport Suburban · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1973Sport Suburban · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1974Suburban · V8.5899cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
1971-1973Suburban · V8.5900cc
Notes: Suffix N - Narrowed Size .009in Undersize Series H Series (Tri-Metal) Material Grade High Performance
- + 12 additional fitments not shown