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| Street Legal & Street High-Performance Heads |
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Performer S/B Chevy
- Designed for 302, 327, 350 and 400 c.i.d. engines up to 1986
- Heads with 64cc combustion chambers improve performance and retain stock
compression ratio on 1970 and earlier small-blocks
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| STREET LEGAL PERFORMER HEADS |
| Chamber Size |
Intake Port Size |
Valve Sizes (in/ex) |
Bare (single) |
Complete (single) |
| 70cc |
185cc |
2.02"/1.60" |
#60659 |
#60759 |
| 64cc |
185cc |
2.02"/1.60" |
N/A |
#60909 |
 Note: When using hot air choke carburetors and Performer manifolds with Performer heads, choke kit #1932 is required. |
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Performer Centerbolt
- Designed for 1987-95 Chevy 5.7L engines originally equipped with centerbolt
valve covers (except Corvettes; see Performer Centerbolt for Corvette below)
- 1987-95 intake manifold bolt pattern
- High-velocity intake runner works with either T.B.I. or Tuned Port Injection systems
- Maintains stock compression ratio when used with the recommended head gasket
- Accepts stock centerbolt or Edelbrock aluminum valve covers #4246, #4247 and #41723
|
 |
| STREET LEGAL PERFORMER CENTERBOLT |
| Chamber Size |
Intake Port Size |
Valve Sizes (in/ex) |
Bare (single) |
Complete (single) |
| 60cc |
165cc |
2.02"/1.60" |
#60849 |
#60859 |
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Performer Centerbolt for Corvette
- Designed for 1987-91 5.7L Corvettes (except LT1, LT4 and LT5 Corvettes) originally
equipped centerbolt valve covers and the early style "straight" manifold bolt pattern
- Also fits 1986 Corvette convertibles originally equipped with aluminum heads
|
 |
| STREET LEGAL PERFORMER FOR 5.7L VETTES |
| Chamber Size |
Intake Port Size |
Valve Sizes (in/ex) |
Bare (single) |
Complete (single) |
| 60cc |
165cc |
2.02"/1.60" |
#60869 |
#60879 |
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AMC
Small Block
