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The Edelbrock #60595 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60595 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60595 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM head is perfect for street performance daily drivers street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.

• Specifikationer

  • Exhaust Port Location: Standard
  • Exhaust Valve Diameter: 1.66"
  • Rocker Arm Stud Diameter:0.4375 IN
  • Guide Plate Material: Hardened Steel
  • Head Casting Number: N/A
  • Guide Material: Manganese Bronze
  • Horsepower: 450-550 HJ
  • Guide Plates Included: Yes
  • Seat Angle:Exhaust 45 deg/Intake 45 DD
  • Construction Type: Complete
  • Seat Material:Ductile Iron
  • Valve Angle:14 DD
  • Intake Runner Volume: 215 CCM
  • Material: Aluminum
  • Exhaust Runner Volume: 175 CCM
  • EGR Port: No
  • Push Rod Diameter:(Suggested) 0.3125 IN
  • Quantity:Sold Individually
  • Series:Performer RPM
  • Valve Included:Yes
  • Family: Performer RPM
  • Camshaft Type: Hydraulic Roller
  • Grade Type: Performance
  • CNC Ported: No
  • Valve Springs Included:Yes
  • Valve Stem Diameter:0.3438 IN
  • Combustion Chamber Volume: 72 CCM
  • Valve Spring Maximum Lift:0.575 IN
  • Retainer Included:Yes
  • Valve Spring Diameter:1.46 IN
  • Deck Thickness: 0.625"
  • Intake Valve Diameter: 2.11"