Edelbrock E-CNC Big Block Chevrolet Rectangle Port Cylinder Head Hydraulic Roller Complete

Edelbrock:
79555
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$1,299.50

Edelbrock E-CNC Big Block Chevrolet Rectangle Port Cylinder Head Hydraulic Roller Complete

The Edelbrock part # 79559 Big Block Chevy E-CNC 355 cylinder head is the ultimate in performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance street and light duty racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift and maintain the stock exhaust port location. E-CNC 355 FOR B/B CHEVY (RECTANGLE PORT) FEATURES: - These cylinder heads deliver maximum horsepower and torque in high performance street and light duty racing applications - Full CNC porting of the combustion chambers, intake & exhaust runners; improving air-flow & overall performance potential - These heads have a 24.5° x 4.4° intake valve angle, 15.5° x 4.2° exhaust valve angle and exhaust ports that have been raised 0.125" but are still in the stock location - Spark plug angles have been modified to produce a smooth flame front for increased fuel efficiency & maximum power - combustion chamber size of 118cc - Equipped with valve springs for use in hydraulic roller applications

CNC Ported Yes
Combustion Chamber Volume 118.0 cc
Deck Height 9.8 in
Deck Thickness 0.562 in
Exhaust Valve Diameter 1.880 in
Guide Plates Included Yes
Intake Runner Volume 354.0 cc
Material Aluminum
Push Rod Diameter 0.375 in
Rocker Stud Diameter 0.437 in
Valve Spring Diameter 1.550 in
Valve Spring Maximum Lift 0.700 in
Valve Stem Diameter 0.341 in

Installation Notes:

Match with Edelbrock head gasket sets . Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following C10 years:

This product will fit the following Sierra years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Sierra 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,
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