The Small-block Chevy cylinder head is designed for 1987-95 Throttle Body Injected (T.B.I.) and Tuned Port Injected (T.P.I.) 5.7L S/B Chevy engines originally equipped with centerbolt valve covers. Performer centerbolt cylinder heads are 50-state street legal and accept factory centerbolt valve covers. The intake bolt pattern utilizes the 1987-95, 73° angle on the two center bolts. Will maintain stock compression ratio when used with the recommended head gasket. The Corvette centerbolt cylinder head is designed for 1986-91 Tuned Port Injected (T.P.I) 5.7L small-block Chevy Corvette engines originally equipped with centerbolt valve covers. Performer centerbolt cylinder heads are 50-state street legal and accept factory centerbolt valve covers. The intake bolt pattern utilizes the 1986-91 (straight) 90° angle on all bolts. Spark plugs are angled like stock O.E. heads. INSTALLATION NOTE: Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Edelbrock pushrods #9632 are recommended. Requires hardened pushrods. Pedestal mount rockers. When using hot air choke Q-Jet carbs, choke kit #1932 is required. Intended for use on small-bore (3.736" - 4.00") 265, 283, 305 & 307 engines. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 5/16" (width of slot in guide plate).
This Part Fits:
This Part Fits:
Year | Make | Model | Submodel |
---|---|---|---|
1965-1978 | Pontiac | Bonneville | Base |
1976-1978 | Pontiac | Bonneville | Brougham |
1965-1970,1978 | Pontiac | Bonneville | Safari |
1965-1967 | Pontiac | Catalina | 2+2 |
1965-1978 | Pontiac | Catalina | Base |
1971-1972 | Pontiac | Catalina | Brougham |
1965-1978 | Pontiac | Catalina | Safari |
1965-1970 | Pontiac | Catalina | Ventura |
1967-1970 | Pontiac | Executive | Base |
1967-1970 | Pontiac | Executive | Safari |
1968-1969 | Pontiac | Firebird | 400 |
1968-1977 | Pontiac | Firebird | Base |
1970-1974,1976 | Pontiac | Firebird | Esprit |
1970-1979 | Pontiac | Firebird | Formula |
1969-1979 | Pontiac | Firebird | Trans Am |
1973-1975 | Pontiac | Grand Am | Base |
1975-1977 | Pontiac | Grand LeMans | Base |
1975,1977 | Pontiac | Grand LeMans | Safari |
1965-1974,1976-1977 | Pontiac | Grand Prix | Base |
1975,1977 | Pontiac | Grand Prix | LJ |
1975-1977 | Pontiac | Grand Prix | SJ |
1971-1978 | Pontiac | Grand Safari | Base |
1971-1974 | Pontiac | Grandville | Base |
1975 | Pontiac | Grandville | Brougham |
1965-1966,1968-1973 | Pontiac | GTO | Base |
1970-1971 | Pontiac | GTO | The Judge |
1968-1977 | Pontiac | LeMans | Base |
1972-1974 | Pontiac | LeMans | Luxury |
1969-1970,1973-1975,1977 | Pontiac | LeMans | Safari |
1974 | Pontiac | LeMans | Safari Luxury |
1970-1977 | Pontiac | LeMans | Sport |
1971 | Pontiac | LeMans | T37 |
1965-1966 | Pontiac | Star Chief | Base |
1966 | Pontiac | Star Chief | Executive |
1968,1970 | Pontiac | Tempest | Base |
1968 | Pontiac | Tempest | Custom |
1970 | Pontiac | Tempest | GT |
1968 | Pontiac | Tempest | Safari |
- 1965-pontiac-gto-base-esi6348318
- 1966-pontiac-gto-base-esi5417308
- 1968-pontiac-firebird-400-esi1756512
- 1968-pontiac-firebird-base-esi6926310
- 1968-pontiac-gto-base-esi2441232
- 1969-pontiac-firebird-400-esi1497855
- 1969-pontiac-firebird-base-esi5582376
- 1969-pontiac-firebird-trans-am-esi9362665
- 1969-pontiac-gto-base-esi8203693
- 1970-pontiac-firebird-base-esi9142831
- 1970-pontiac-firebird-esprit-esi7258010
- 1970-pontiac-firebird-formula-esi9478518
- 1970-pontiac-firebird-trans-am-esi6117805
- 1970-pontiac-gto-base-esi6599519
- 1970-pontiac-gto-the-judge-esi3635771
- 1971-pontiac-firebird-base-esi4122481
- 1971-pontiac-firebird-esprit-esi8556152
- 1971-pontiac-firebird-formula-esi2792193
- 1971-pontiac-firebird-trans-am-esi5541952
- 1971-pontiac-gto-base-esi9738732
- 1971-pontiac-gto-the-judge-esi5008750
- 1972-pontiac-firebird-base-esi9192778
- 1972-pontiac-firebird-esprit-esi6507784
- 1972-pontiac-firebird-formula-esi6776168
- 1972-pontiac-firebird-trans-am-esi5768990
- 1972-pontiac-gto-base-esi4522381
- 1973-pontiac-firebird-base-esi4446804
- 1973-pontiac-firebird-esprit-esi6290412
- 1973-pontiac-firebird-formula-esi4337566
- 1973-pontiac-firebird-trans-am-esi4076689
- 1973-pontiac-gto-base-esi6625873
- 1974-pontiac-firebird-base-esi6160997
- 1974-pontiac-firebird-esprit-esi9445911
- 1974-pontiac-firebird-formula-esi3815235
- 1974-pontiac-firebird-trans-am-esi7194010
- 1975-pontiac-firebird-base-esi6470309
- 1975-pontiac-firebird-formula-esi9766233
- 1975-pontiac-firebird-trans-am-esi7631226
- 1976-pontiac-firebird-base-esi3638065
- 1976-pontiac-firebird-esprit-esi4161028
- 1976-pontiac-firebird-formula-esi3800793
- 1976-pontiac-firebird-trans-am-esi6174762
- 1977-pontiac-firebird-base-esi1539091
- 1977-pontiac-firebird-formula-esi8681814
- 1977-pontiac-firebird-trans-am-esi6256400
- 1978-pontiac-firebird-formula-esi9560247
- 1978-pontiac-firebird-trans-am-esi3584813
- 1979-pontiac-firebird-formula-esi6275606
- 1979-pontiac-firebird-trans-am-esi2412091
- Engine Components>Heads
- EPA:N/A
- fits_1965-1970`Pontiac`Catalina`Ventura~1967-1970`Pontiac`Executive`Base~1967-1970`Pontiac`Executive`Safari~1968-1969`Pontiac`Firebird`400~1968-1977`Pontiac`Firebird`Base~1970-1974`Pontiac`Firebird`Esprit~1976`Pontiac`Firebird`Esprit
- fits_1965-1978`Pontiac`Bonneville`Base~1976-1978`Pontiac`Bonneville`Brougham~1965-1970`Pontiac`Bonneville`Safari~1978`Pontiac`Bonneville`Safari~1965-1967`Pontiac`Catalina`2+2~1965-1978`Pontiac`Catalina`Base~1971-1972`Pontiac`Catalina`Brougham
- fits_1968`Pontiac`Tempest`Base~1970`Pontiac`Tempest`Base~1968`Pontiac`Tempest`Custom~1970`Pontiac`Tempest`GT~1968`Pontiac`Tempest`Safari
- fits_1969-1979`Pontiac`Firebird`Trans Am~1973-1975`Pontiac`Grand Am`Base~1975-1977`Pontiac`Grand LeMans`Base~1975`Pontiac`Grand LeMans`Safari~1977`Pontiac`Grand LeMans`Safari~1965-1974`Pontiac`Grand Prix`Base~1976-1977`Pontiac`Grand Prix`Base
- fits_1972-1974`Pontiac`LeMans`Luxury~1969-1970`Pontiac`LeMans`Safari~1973-1975`Pontiac`LeMans`Safari~1977`Pontiac`LeMans`Safari~1974`Pontiac`LeMans`Safari Luxury~1970-1977`Pontiac`LeMans`Sport~1971`Pontiac`LeMans`T37~1965-1966`Pontiac`Star Chief`Base
- fits_1977`Pontiac`Grand Prix`LJ~1975-1977`Pontiac`Grand Prix`SJ~1971-1978`Pontiac`Grand Safari`Base~1971-1974`Pontiac`Grandville`Base~1975`Pontiac`Grandville`Brougham~1965-1966`Pontiac`GTO`Base~1968-1973`Pontiac`GTO`Base~1970-1971`Pontiac`GTO`The Judge
- LTL:N
- MPN:60579
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y