Edelbrock RPM 427 Low-Riser/ Medium-Riser Cylinder Head Fits select: 1966-1968 FORD GALAXIE, 1968 MERCURY COUGAR

Edelbrock RPM 427 Low-Riser/ Medium-Riser Cylinder Head Fits select: 1966-1968 FORD GALAXIE, 1968 MERCURY COUGAR
Edelbrock RPM 427 Low-Riser/ Medium-Riser Cylinder Head Fits select: 1966-1968 FORD GALAXIE, 1968 MERCURY COUGAR

Model: 60089

Brand: Edelbrock

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Detailed product description

Cylinder Head Performer Series RPM Cylinder Head Performer Series RPM Cylinder Head; Bare; 450-600 hp; Std. Exh. Port; 76cc Chamber Vol.; 2.09 Intake/1.66 in. Exh. Valves; 0.600 in. Max Lift; Low Riser/Medium Riser; Single; SPECIFICATIONS: Cylinder Head Type: Standard Emission: Non-Emissions Engine Make/Size: Ford 390-428 Finish: Cast Aluminum Preparation: Requires Professional Preparation (Bare) Type: Bare Usage: Street/Performance WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: This product can expose you to Lead; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov. FEATURES: Out-of-the-Box Bolt-On Performance Hand-Blended Intake and Exhaust Bowls CNC-Matched Intake/Exhaust Ports in Std Location Thicker Deck Surfaces Than Other Brands Cylinder Head Specifications: Combustion chamber volume: 72cc / 76cc; Intake runner volume: 170cc; Exhaust runner volume: 125cc; Intake valve diameter: 2.09"; Exhaust valve diameter: 1.66"; Valve stem diameter: 3/8"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.55"; Valve spring maximum lift: .600"; Pushrod diameter: 3/8"; Valve angle: 13; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat. INSTALLATION NOTE: Match with Edelbrock head gasket sets. 76cc heads have vertical bolt pattern only, 390 GT exhaust will not fit. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Deck thickness: 5/8". IMPORTANT NOTES: Direct bolt-on heads for 1961-76 390-427-428 Fords. 428 Cobra Jet-sized valves promote excellent flow for streetable power. #60089 can be machined to accept 2.19" intake and 1.73" exhaust valves. Rocker shaft stud kit #6009 provides better rocker shaft retention and is highly recommended for use with Edelbrock FE heads. It eliminates wearing of the threads and the possibility of bottoming the rocker shaft bolts in the head. Intake and exhaust CC values are projected if using Edelbrock valves, and equivalent valve job and bowl blend. Edelbrock FE heads do not have the bolt pattern to accommodate the stock GT 390 exhaust manifolds. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Replacement valve part numbers are for sets of 8. Deck thickness, 5/8". #6009 rocker shaft stud kit recommended. When you design and sell the best-engineered performance products in the world, you have to have a rigorous testing program. Why? Without adequate testing, there's no way to stand behind your product with confidence. That's why every product we design and sell at Edelbrock is tested and approved by Edelbrock engineers in a real world environment on state-of-the-art equipment. Our three Super Flow computerized engine dynos are capable of measuring 11 separate engine variables up to speeds of 12,000 rpm. For 2007, we added a new Super Flow SF902 engine dyno. It's fully automated and programmable to simulate various driving situations, and is equipped with WinDyn software for the very latest in testing equipment. For real-world tuning, there's our Super Flow model SF-840 eddy-current chassis dyno that can handle up to 1,000 hp at the wheels and speeds of 200 mph. When all testing is completed, the results evaluated, and the part has passed all performance criteria, then, and only then, is the product deemed ready for production

CNC-Matched Intake/Exhaust Ports in Std Location


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Last updated: 2024-12-29 21:43:29
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Product specifications

Technical details

Manufacturer -
Brand Edelbrock
Item model number 60089
Color Multicolor
Weight -
Height -
Depth -

Additional product information

Product Id 569838
User Reviews and Ratings 3 (1 ratings) 3 out of 5 stars
UPC 085347600892

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Edelbrock RPM 427 Low-Riser/ Medium-Riser Cylinder Head Fits select: 1966-1968 FORD GALAXIE, 1968 MERCURY COUGAR
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