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Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
Performer RPM Bare Cylinder Head <br> 65-76 Oldsmobile 400, 425, 455 CID V8
EDELBROCK
®

Performer RPM Bare Cylinder Head
65-76 Oldsmobile 400, 425, 455 CID V8

SKU: EDE-61025
$1,284.50

Availability: Out Of Stock

Specification
Product Description Reviews
Description:

The Edelbrock 61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic roller cam is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. The 61025 Performer RPM head has improved accommodation for a factory-style mechanical fuel pump with spark plug locations moved slightly towards the exhaust valve for optimized combustion. Intake and exhaust ports have been improved over previous designs, and extra material has been added above the intake port for head work. Performer RPM 61025 heads are cast and machined by Edelbrock in the USA and comes complete with the highest quality intake and exhaust valves and valve springs.

Features:

  • Camshaft Type: Hydraulic Roller
  • CNC Ported: No
  • Construction Type: Complete
  • Deck Thickness: 0.625 IN
  • EGR Port: No
  • Exhaust Port Location: Standard
  • Exhaust Runner Volume: 128 CCM
  • Exhaust Valve Diameter: 1.680 IN
  • Family: Performer RPM
  • Guide Material: Manganese Bronze
  • Guide Plate Material: Hardened Steel
  • Head Casting Number: N/A
  • Horsepower: 450-600 HJ
  • Intake Valve Diameter: 2.150 IN
  • Push Rod Diameter: (Suggested) 0.375 IN
  • Quantity: Sold Individually
  • Retainer Included: Yes
  • Rocker Arm Stud Diameter: 0.4375 IN
  • Seat Angle: Exhaust 60 deg/Intake 60 DD
  • Seat Material: Ductile Iron
  • Series: Performer RPM
  • Valve Angle: 6 DD
  • Valve Lock Material: Steel
  • Valve Spring Diameter: 1.105 IN
  • Valve Spring Maximum Lift: 0.600 IN
  • Valve Stem Diameter: 0.3438 IN


  • Package Includes:

  • Performer RPM Cylinder Head for Olds




  • WARNING: This product contains chemicals known to the State. For more information go to https://www.p65warnings.ca.gov/