Edelbrock Performer RPM Small Block Ford 351 Cleveland Cylinder Head Hydraulic Roller Springs Complete Single

The Edelbrock #61625 Performer RPM cylinder heads are designed for use with 351C, 351M & 400M Ford engine applications. The Edelbrock #61625 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver 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.

Installation Notes    

    Match with Edelbrock head gasket sets.
    Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC).
    Deck thickness: 5/8"
    Rocker stud diameter: 7/16"
    Pushrod diameter: 5/16" (width of slot in guide plate).
    Valve sizes are recommended, not maximum.
    EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
    Very streetable 190cc intake runners
    2.05" intake and 1.60" exhaust valves
    "Compact charge" kidney shape combustion chamber design
    Intake and exhaust ports based on 2V design
    Optimized spark plug location provides improved header clearance
    Match with Edelbrock RPM Air-Gap manifold #7564

CNC Ported    No
Combustion Chamber Volume    60.0 cc
Deck Height    9.206 in
Deck Thickness    0.625 in
Exhaust Valve Diameter    1.600 in
Guide Plates Included    Yes
Intake Runner Volume    190.0 cc
Intake Valve Diameter    2.050 in
Material    Aluminum
Push Rod Diameter    0.312 in
Rocker Stud Diameter    0.437 in
Valve Angle    10 deg
Valve Spring Diameter    1.550 in
Valve Spring Maximum Lift    0.580 in
Valve Stem Diameter    0.341 in

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