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Home > Cylinder Heads > Chevrolet > Small-Block 23° > Equipped with springs for use in Mechanical Roller Cams.
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EDELBROCK VICTOR JR. 23° (70CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL ROLLER CAMSHAFT APPS- (COMPLETE, SINGLE) - 77629
EDELBROCK VICTOR JR. 23° (70CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL ROLLER CAMSHAFT APPS- (COMPLETE, SINGLE) - 77629
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 215cc
  • Exhaust runner volume: 85cc
  • Intake valve diameter: 2.08"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.55"
  • Valve spring maximum lift: .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Raised .300"
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat

INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate).


EDELBROCK VICTOR JR. 23° (64CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL FLAT TAPPET & HYDRAULIC ROLLER CAMSHAFT APPS- (BARE, SINGLE) - 77569
Our Price: $632.34
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EDELBROCK VICTOR JR. 23° (64CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL FLAT TAPPET & HYDRAULIC ROLLER CAMSHAFT APPS- (BARE, SINGLE) - 77569
EDELBROCK VICTOR JR. 23° (64CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL FLAT TAPPET & HYDRAULIC ROLLER CAMSHAFT APPS- (BARE, SINGLE) - 77569


Affordable maximum power head for competition and ultra high-performance street. 530-580 hp potential, out-of-the-box, for a cost effective, race-winning set-up. 64cc chambers yield about 12.5:1 compression with a 12cc domed piston in a 350 V8. These heads feature angled spark plug holes and accept standard 23° valvetrain hardware.

  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 215cc
  • Exhaust runner volume: 85cc
  • Intake valve diameter: 2.08"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.55"
  • Valve spring maximum lift: .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Raised .300"
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat

INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate).


*Not legal for sale or use on pollution controlled motor vehicles.

EDELBROCK VICTOR JR. 23° (70CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL FLAT TAPPET & HYDRAULIC ROLLER CAMSHAFT APPS- (BARE, SINGLE) - 77639
Our Price: $643.36
more info
EDELBROCK VICTOR JR. 23° (70CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL FLAT TAPPET & HYDRAULIC ROLLER CAMSHAFT APPS- (BARE, SINGLE) - 77639
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 215cc
  • Exhaust runner volume: 85cc
  • Intake valve diameter: 2.08"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.55"
  • Valve spring maximum lift: .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Raised .300"
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat

INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate).


EDELBROCK VICTOR JR. 23° (64CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL ROLLER CAMSHAFT APPS- (COMPLETE, SINGLE) - 77599
Our Price: $829.95
more info
EDELBROCK VICTOR JR. 23° (64CC) CYLINDER HEAD FOR S/B CHEVROLET- MECHANICAL ROLLER CAMSHAFT APPS- (COMPLETE, SINGLE) - 77599
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 215cc
  • Exhaust runner volume: 85cc
  • Intake valve diameter: 2.08"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.55"
  • Valve spring maximum lift: .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Raised .300"
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat


INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate).


   
 
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