RPM Big-Block Buick Cylinder Head

The Edelbrock #60049 Performer RPM Super Stock cylinder head is designed for 400, 430 and 455 c.i.d. Buick engines. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1.6:1 ratio rockers. The large 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. 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. Vehicle Specific

• Buick:Big-Block:400 (6.6L)/430 (7.0L)/455 (7.5L)

Attributes:

• Brand Name: Edelbrock
• GTIN: 00085347600496
• Assembled: Yes
• CNC Ported: No
• Camshaft Type: Flat Tappet
• Combustion Chamber Volume: 68
• Construction Type: Complete
• Cylinder Head Gasket Included: No
• Deck Thickness: 0.625
• EGR Port: No
• Exhaust Port Location: Standard
• Exhaust Runner Volume: 130
• Exhaust Valve Diameter: 1.75
• Family: Performer
• Grade Type: Performance
• Guide Material: Manganese Bronze
• Guide Plate Material: Hardened Steel
• Guide Plates Included: Yes
• Head Casting Number: 31-6092
• Horsepower: 400-500
• Intake Runner Volume: 215
• Intake Valve Diameter: 2.125
• Material: Aluminum
• Mounting Hardware Included: No
• Push Rod Diameter: (Suggested) 0.375
• Quantity: Sold Individually
• RGL: 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.
• Retainer Included: Yes
• Rocker Arm Stud Diameter: 0.375
• Rocker Arm Studs/Bolts Included: Yes
• Rocker Arms Included: No
• Seat Angle: Exhaust 45 deg/Intake 45
• Seat Material: Ductile Iron
• Series: Performer
• Valve Angle: 15
• Valve Cover Gasket Included: No
• Valve Included: Yes
• Valve Lock Material: Steel
• Valve Locks Included: Yes
• Valve Seals Included: Yes
• Valve Spring Diameter: 1.55
• Valve Spring Maximum Lift: 0.600
• Valve Spring Retainers Included: Yes
• Valve Springs Included: Yes
• Valve Stem Diameter: 0.34375
• Valves Included: Yes

Extended Information:

• Country of Origin: United States
• Emissions : EPA Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 26 x 11 x 9 inches
• Weight: 35.85 POUNDS