Description

The Edelbrock #60049 Performer RPM Cylinder Heads are designed for 400 430 and 455 c.i.d. Buick engines. These heads are perfect for street performance daily drivers street rods and muscle cars where more performance is needed. The Edelbrock #60049 Performer RPM Super Stock cylinder head is designed for 400 430 and 455 c.i.d. Buick engines. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1.6:1 ratio rockers. The large 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. 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. For use on pre-pollution controlled vehicles only.

• Specifications

  • Assembled: Yes
  • Camshaft Type: Flat Tappet
  • CNC Ported: No
  • Combustion Chamber Volume: 68 CCM
  • Construction Type: Complete
  • Cylinder Head Gasket Included:No
  • Deck Thickness: 0.625"
  • EGR Port: No
  • Exhaust Port Location: Standard
  • Exhaust Runner Volume: 130 CCM
  • Exhaust Valve Diameter: 1.75"
  • Family: Performer
  • Grade Type: Performance
  • Guide Material: Manganese Bronze
  • Guide Plate Material: Hardened Steel
  • Guide Plate Material:Chromoly Steel
  • Guide Plates Included: Yes
  • Head Casting Number:31-6092
  • Horsepower: 400-500 HJ
  • Intake Runner Volume: 215 CCM
  • Intake Valve Diameter: 2.125"
  • Material: Aluminum
  • Mounting Hardware Included: No
  • Push Rod Diameter: (Suggested) 0.375 Inch
  • Quantity: Sold Individually
  • Retainer Included: Yes
  • Rocker Arm Stud Diameter: 0.375 Inch
  • Rocker Arm Studs/Bolts Included:Yes
  • Rocker Arms Included:No
  • Seat Angle: Exhaust 45 deg/Intake 45 DD
  • Seat Material: Ductile Iron
  • Series: Performer
  • Valve Angle: 15 DD
  • Valve Cover Gasket Included: No
  • Valve Included: Yes
  • Valve Lock Material:Chromoly Steel
  • Valve Lock Material:Steel
  • Valve Locks Included:Yes
  • Valve Seals Included: Yes
  • Valve Spring Diameter: 1.55 Inch
  • Valve Spring Maximum Lift: 0.600 Inch
  • Valve Spring Retainers Included:Yes
  • Valve Springs Included: Yes
  • Valve Stem Diameter: 0.34375 Inch
  • Valves Included:Yes

• Product Fits

  • Buick Centurion 1971-1973
  • Buick Century 1973-1974
  • Buick Electra 1967-1974
  • Buick Estate Wagon 1970-1974
  • Buick Gran Sport 1967-1967
  • Buick GS 400 1968-1969
  • Buick GS 455 1970-1972
  • Buick LeSabre 1970-1974
  • Buick Regal 1973-1974
  • Buick Riviera 1967-1974
  • Buick Skylark 1967-1971
  • Buick Sportwagon 1968-1970
  • Buick Wildcat 1967-1970