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Home > Cylinder Heads > Chevrolet > Small-Block > Performer Cylinder Heads
PERFORMER® CYLINDER HEADS

These Performer cylinder heads are designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. Complete heads include larger-than-stock 1.46" valve springs to handle most high-lift cams. These heads retain the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance.
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EDELBROCK PERFORMER 70CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (BARE, SINGLE) - 60659
Our Price: $587.72
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EDELBROCK PERFORMER 70CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (BARE, SINGLE) - 60659
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 185cc
  • Exhaust runner volume: 65cc
  • Intake valve diameter: 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Maganese Bronze
  • Deck thickness: 5/8"
  • Valve spring diameter: 1.46"
  • Valve spring maximum lift: .575"
  • Rocker stud: 3/8"
  • Guideplate: Hardened steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x .750 reach, gasket seat

INSTALLATION NOTE: Match with Edelbrock head gasket sets on pages 126-128. When using hot air choke Q-Jet carbs and Performer manifold with above heads, choke kit #1932 is required. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
EDELBROCK PERFORMER 70CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (COMPLETE, SINGLE) - 60759
Our Price: $850.50
more info
EDELBROCK PERFORMER 70CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (COMPLETE, SINGLE) - 60759
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 185cc
  • Exhaust runner volume: 65cc
  • Intake valve diameter: 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Maganese Bronze
  • Deck thickness: 5/8"
  • Valve spring diameter: 1.46"
  • Valve spring maximum lift: .575"
  • Rocker stud: 3/8"
  • Guideplate: Hardened steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x .750 reach, gasket seat


INSTALLATION NOTE: Match with Edelbrock head gasket sets on pages 126-128. When using hot air choke Q-Jet carbs and Performer manifold with above heads, choke kit #1932 is required. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
EDELBROCK PERFORMER 64CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (COMPLETE, SINGLE) - 60909
Our Price: $856.50
more info
EDELBROCK PERFORMER 64CC CYLINDER HEAD FOR S/B CHEVROLET ('86 & EARLIER) (COMPLETE, SINGLE) - 60909
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 185cc
  • Exhaust runner volume: 65cc
  • Intake valve diameter: 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Maganese Bronze
  • Deck thickness: 5/8"
  • Valve spring diameter: 1.46"
  • Valve spring maximum lift: .575"
  • Rocker stud: 3/8"
  • Guideplate: Hardened steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x .750 reach, gasket seat

INSTALLATION NOTE: Match with Edelbrock head gasket sets on pages 126-128. When using hot air choke Q-Jet carbs and Performer manifold with above heads, choke kit #1932 is required. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
   
 
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