OPGI.com works best with JavaScript enabled.
1‑800‑243‑8355

As seen on

  • Speed is the New Black Logo
  • Junkyard Empire Logo

Edelbrock

Cylinder Head, Performer RPM, 1962-77 Pontiac 389-455, CNC Chamber 72cc, Bare

Part# : G242608
Mfg#: 60539
Sold As: Each
Ship Size: Oversize 3
$1,302.99
List Price: $1,433.95
You Save $130.96

Calendar IconArriving Soon
Vehicle Specific View fitment for 6 models
Add To Wishlist 

Pontiac 389-455 Performer RPM 72cc Cylinder Head by Edelbrock®

Aluminum Performer RPM head uses a 72cc chamber for Pontiac 389-455 performance combinations.

Edelbrock® Performer RPM CNC Bare Cylinder Head has the same specifications as the popular Performer RPM cylinder head for 1962-77 389-455 c.i.d. Pontiac engines, but feature a CNC machined combustion chamber. The CNC machined chamber results in a consistent and precise chamber for improved flow performance. Performer RPM CNC cylinder heads are available in two chamber sizes, 72 or 87cc. Sold individually.

Additional Technical Specifications • Deck Thickness: 0.625 in • Deck Height: 10.250 in • Intake Runner Volume: 215cc • Exhaust Runner Volume: 175cc • Valve Angle: 14 degrees • Suggested Intake Valve Diameter: 2.11 in • Suggested Exhaust Valve Diameter: 1.66 in • Seat Angle: Exhaust 45 deg/Intake 45 deg • Guide Plate Material: Hardened Steel • Pushrod Diameter: 5/16" (width of slot in guide plate) • Rocker Stud diameter: 7/16"

Notes

  • Note1: Use 14mm x 3/4” reach gasketed spark plugs such as RC12YC or equivalent.
  • This item is not eligible for any further discounts or promotional pricing.
  • This item is Oversize 3, and is excluded from free ground shipping.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More
We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1962–1977 Pontiac Bonneville  
1962–1977 Pontiac Catalina  
1962–1977 Pontiac Grand Prix  
1964–1973 Pontiac GTO  
1962–1973 Pontiac LeMans  
1962–1970 Pontiac Tempest  
  • Headshot of OPGI Employee
    Need help finding the right GM restoration parts? Contact a GM Parts Specialist
    Chat Unknown Status Call Toll-Free
    Mon–Fri 8:00–4:30 PT
    Sat 10:00–3:00 PT
     GM Parts Specialist Offline
  • Price Match Guarantee Great parts. Competitive prices. Guaranteed.
  • GM Restoration Experts Since 1982 Over four decades dedicated to GM restoration
  • Original GM Is Our Standard Original GM parts and factory references guide every reproduction
  • A Deeper GM Selection Thousands of restoration, performance, and replacement parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Cylinder Head, Performer RPM, 1962-77 Pontiac 389-455, CNC Chamber 72cc, Bare
Edelbrock Cylinder Head, Performer RPM, 1962-77 Pontiac 389-455, CNC Chamber 72cc, Bare