1957-1959Base · L6.3770cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1957Base · V8.4933cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1957-1958Base · V8.5130cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1957-1967Base · V8.5211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1957-1967Base · V8.5212cc
Notes: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1958Base · V8.5737cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1959-1966Base · V8.5917cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1959Sport · V8.5211cc
Notes: 1959: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1962: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1963: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1964: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1965: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1966: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1967: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1968: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1969: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1970: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1971: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1975: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1959Sport · V8.5917cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1960-1967Base · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1960-1967Base · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1961-1964Base · V8.6769cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1962-1964Sport · V8.6769cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1962-1971Sport · V8.5211cc
Notes: 1959: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1962: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1963: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1964: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1965: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1966: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1967: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1968: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1969: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1970: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1971: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1975: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1962-1964Sport · V8.5917cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1962-1971Sport · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1963-1966Base · V8.6981cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1963-1965Sport · V8.6981cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1964-1965Base · V8.4473cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1974II Base · V8.5211cc
Notes: 1965: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1966: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1967: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1968: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1969: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1970: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1971: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1972: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1973: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1974: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1965-1971II Base · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965II Base · V8.6981cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1974II Base · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1973III Base · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1971III Base · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1974III Base · V8.5211cc
Notes: 1965: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1966: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1967: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1968: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1969: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1970: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1971: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1972: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1973: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1974: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1965III Base · V8.6981cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1965-1967Sport · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966-1967Base · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966-1974II Base · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966-1974III Base · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966-1971Sport · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966VIP · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966VIP · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966VIP · V8.5211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1966VIP · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968Custom Suburban · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968Custom Suburban · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968Custom Suburban · V8.5212cc
Notes: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1968Custom Suburban · V8.5211cc
Notes: 1968: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1970: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int · 1971: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1972: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1973: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The · 1974: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968Custom Suburban · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1974I Base · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1974I Base · V8.5212cc
Notes: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1968-1974I Base · V8.5211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1971I Base · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1974I Base · V8.7211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1974II Base · V8.5212cc
Notes: Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh. 204/204 Deg.; Lift at Valve Int/Exh. 0.420 in.; Lobe Seps 110 Deg.; Int
1968-1969II Custom Suburban · V8.6286cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1969II Custom Suburban · V8.5211cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
1968-1969II Custom Suburban · L6.3687cc
Notes: Off-Idle to 5500rpm Not For 1985 And Later Engines w/Roller Lifters~ Idle Vacuum at 1000 RPM - 16 inch~ Designed For The
- + 94 additional fitments not shown