1960-1967Base · V8.6286cc
Notes: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1962-1971Sport · V8.6286cc
Notes: 1962: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1963: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1964: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1965: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1966: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1967: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1966-1967Base · V8.7211cc
Notes: 1966: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1967: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1975: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1977: Bare w/Valves; 550-800HP; +0.250 Exh. Port; 72cc Chamber Vol.; 2.20 in. Intake/1.81 in. Exhaust Valves; Single;Racing Us · 1978: Bare w/Valves; 550-800HP; +0.250 Exh. Port; 72cc Chamber Vol.; 2.20 in. Intake/1.81 in. Exhaust Valves; Single;Racing Us
1966-1971Sport · V8.7211cc
Notes: 1966: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1967: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1968: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1971: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1966VIP · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1966VIP · V8.6286cc
Notes: 1966: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968Custom Suburban · V8.7211cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1968Custom Suburban · V8.6286cc
Notes: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1968-1974I Base · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1971I Base · V8.6286cc
Notes: 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1971: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1971II Base · V8.6286cc
Notes: 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1971: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1968-1974II Base · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1969II Custom Suburban · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1969II Custom Suburban · V8.6286cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1974III Base · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1971III Base · V8.6286cc
Notes: 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1971: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1968-1969III Sport Suburban · V8.6286cc
Notes: 1968: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1969: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1968-1969III Sport Suburban · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968Sport Suburban · V8.7211cc
Notes: 1968: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1970: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1971: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1972: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1973: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1974: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968Sport Suburban · V8.6286cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968Suburban · V8.7211cc
Notes: 1968: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1970: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1971: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1972: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1973: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1974: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968Suburban · V8.6286cc
Notes: 1968: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1971: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1968-1969VIP · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1968-1969VIP · V8.6286cc
Notes: 1966: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1968: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And · 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1969I Suburban · V8.6286cc
Notes: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1969I Suburban · V8.7211cc
Notes: 1969: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1971: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1974: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1974Custom Suburban · V8.7211cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1971Custom Suburban · V8.6286cc
Notes: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1970-1974Custom Suburban · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970Gran Coupe · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970Gran Coupe · V8.7211cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970GT · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970GT · V8.7211cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1973I Base · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1974II Base · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1974III Base · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970S-23 · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970S-23 · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970S-23 · V8.6286cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970-1971Sport · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1971Sport GT · V8.7211cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970-1971Sport GT · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1971Sport Suburban · V8.6286cc
Notes: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970-1974Sport Suburban · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1970-1974Sport Suburban · V8.7211cc
Notes: 1968: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1970: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1971: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1972: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1973: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1974: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970-1974Suburban · V8.7211cc
Notes: 1968: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1970: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1971: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1972: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance · 1973: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1974: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i
1970-1971Suburban · V8.6286cc
Notes: 1968: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1970: Will Need Final Sizing~ Require 14mmx3/4 in. Reach Flat Gasket Spark Plug w/Heat Range For Vehicle~ Deck Thickness 5/8 i · 1971: For Race Use Only~ May Require Additional Pushrod Hole Clearance on Some Combinations~ Bare Heads Have Valve Guides And
1970-1973Suburban · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1971Custom · V8.7212cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
1971Custom · V8.7211cc
Notes: For Race Use Only~ Vacuum Advance Distributor May Not Clear Cylinder Head~ May Require Additional Pushrod Hole Clearance
- + 52 additional fitments not shown