Description

The Edelbrock #60985 E-Tec Cylinder Heads are replacements for 302 327 350 & 400 SB Chevy engines with Vortec-style manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. The Edelbrock #60985 E-Tec cylinder head is replacements for 302 327 350 & 400 c.i.d. S/B Chevy engines with "Vortec-style" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder promoting a more efficient combustion resulting in more power. This head includes an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than a cast iron Vortec head great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec cylinder head is dual-drilled and will accept 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds.

• Specifications

  • Camshaft Type: Hydraulic Roller
  • CNC Ported: No
  • Combustion Chamber Volume: 64 CCM
  • Construction Type: Complete
  • Deck Thickness: 0.625"
  • EGR Port: No
  • Exhaust Port Location: Standard
  • Exhaust Runner Volume: 80 CCM
  • Exhaust Valve Diameter: 1.60"
  • Family: E-Tec
  • Grade Type: Performance
  • Guide Material: Manganese Bronze
  • Guide Plate Material: Hardened Steel
  • Guide Plates Included: Yes
  • Head Casting Number: N/A
  • Horsepower: 350-500 HJ
  • Intake Runner Volume: 200 CCM
  • Intake Valve Diameter: 2.02"
  • Material: Aluminum
  • Push Rod Diameter: (Suggested) 0.625 Inch
  • Quantity: Sold Individually
  • Retainer Included: Yes
  • Rocker Arm Stud Diameter: 0.375 Inch
  • Rotor Center Bore Inside Diameter: Straight
  • Seat Angle: Exhaust 45 deg/Intake 45 DD
  • Seat Material: Ductile Iron
  • Series: E-Tec
  • Valve Angle: 23 DD
  • Valve Included: Yes
  • Valve Spring Diameter: 1.46 Inch
  • Valve Spring Maximum Lift: 0.575 Inch
  • Valve Springs Included: Yes
  • Valve Stem Diameter: 0.3438 Inch