1957-1967Base · V8.5212cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1957-1959Base · L6.3770cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1957-1958Base · V8.5130cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1957-1967Base · V8.5211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1957Base · V8.4933cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1958Base · V8.5737cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1959-1966Base · V8.5917cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1959Sport · V8.5917cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1959Sport · V8.5211cc
Notes: 1959: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1962: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1963: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1964: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1965: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1966: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1967: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1968: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1969: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1970: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1971: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.;
1960-1967Base · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1960-1967Base · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1961-1964Base · V8.6769cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1962-1964Sport · V8.6769cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1962-1971Sport · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1962-1964Sport · V8.5917cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1962-1971Sport · V8.5211cc
Notes: 1959: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1962: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1963: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1964: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1965: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1966: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1967: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1968: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1969: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1970: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1971: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.;
1963-1966Base · V8.6981cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1963-1965Sport · V8.6981cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1964-1965Base · V8.4473cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1974II Base · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965II Base · V8.6981cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1971II Base · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1974II Base · V8.5211cc
Notes: 1965: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1966: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1967: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1968: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1969: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1970: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1971: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1972: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1973: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1974: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.;
1965-1973III Base · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1974III Base · V8.5211cc
Notes: 1965: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1966: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1967: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1968: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1969: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1970: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1971: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1972: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1973: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1974: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.;
1965III Base · V8.6981cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1971III Base · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1965-1967Sport · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966-1967Base · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966-1974II Base · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966-1974III Base · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966-1971Sport · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966VIP · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966VIP · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966VIP · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1966VIP · V8.5211cc
Notes: 1966: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM - · 1968: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.; · 1969: Hyd.; 1500-6500rpm; Adv. Dur. at 0.050 Int/Exh 234/244 Deg.; Lift at Valve Int/Exh 0.488/0.510 in.; Lobe Seps 112 Deg.;
1968Custom Suburban · V8.5212cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968Custom Suburban · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968Custom Suburban · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968Custom Suburban · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968Custom Suburban · V8.5211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1974I Base · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1974I Base · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1971I Base · V8.6286cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1974I Base · V8.5212cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1974I Base · V8.5211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1974II Base · V8.5212cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1969II Custom Suburban · V8.5211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1969II Custom Suburban · L6.3687cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
1968-1969II Custom Suburban · V8.7211cc
Notes: Not For 1985 And Later Engines w/Roller Lifters~ Adjustable Pushrods Or Rocker Arms Required~ Idle Vacuum at 1000 RPM -
- + 94 additional fitments not shown