RPM SMALL-BLOCK FORD 1.90" CYLINDER HEAD HYDRAULIC ROLLER CAMSHAFT

Brand New Edelbrock Performer RPM Cylinder Head for 289-351W C.I.D. Small-Block Ford with Hydraulic Roller Camshaft (Part #60225).

The Edelbrock #60225 Performer RPM cylinder head is designed for use with 289-351W C.I.D. Small-Block Ford applications. The Edelbrock #60225 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.

Installation Notes:

• Equipped with springs for use in mechanical flat tappet and hydraulic roller camshaft applications
• 1.90" intake valves are for use with stock pistons
• Hardened pushrods required, use Edelbrock #9632 (flat tappet only)
• Will not accept rail rockers
• 289-302 V8s require Head Bolt Bushings #9680 and either Head Bolt Kit #8552 (7/16") or stock head bolts. Match with Edelbrock head gasket sets
  

Specs:

• Series: Performer RPM
  
• Material: Aluminum
  
• Horsepower: 300-450 HP
  
• Seat Angle: Exhaust 45 deg/Intake 45 deg
  
• Recommended spark plugs: Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
• Intake Valve Diameter: 1.90 in
  
• Intake Runner Volume: 170 cc
  
• Push Rod Diameter: 0.3125 in
  
• Rocker Stud Diameter: 0.375 in
• Valve Angle: 20 Degree
  
• Valve Spring Diameter: 1.46 in
  
• Valve Spring Maximum Lift: 0.575 in
  
• Valve Stem Diameter: 0.3438 in
  

You can view and download the complete assembly instruction booklet here.