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The Edelbrock #60037 Performer RPM Super Stock Cylinder Heads are 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. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. Vehicle Specific

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

Attributes:

• Brand Name: Edelbrock
• GTIN: 00085347600373
• CNC Ported: No
• Combustion Chamber Volume: 68.0
• Deck Thickness: 0.625
• Grade Type: Performance
• Guide Plates Included: No
• Head Casting Number: 31-6003
• Intake Runner Volume: 215.0
• Material: Aluminum
• Push Rod Diameter: 0.375
• 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.
• Rocker Arm Stud Diameter: 0.375
• Valve Angle: 15

Extended Information:

• Country of Origin: US
• Emissions : 3

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 26 x 11 x 8 inches
• Weight: 29.6 POUNDS