AFR BBC 305cc Aluminum Cylinder Heads – Magnum Competition Assembled

Description

AFR BBC magnum comp aluminum heads 305cc intake ports assembled with 2.250 Intake/ 1.880 Exhaust valves, 121cc CNC combustion chamber. Recommended for moderate street, or street/strip builds with displacements up to 509 cubic inches, operating up to 6500 RPM.

• Big Block Chevy Cylinder Head
• Magnum Comp 
• Assembled
• 2.250 / 1.880 in Valves
• 305 cc Intake
• 121 cc Chamber 
• 1.625 in Springs
• Aluminum
• 24 Degree Valve Angle 
• Pair

Test conducted at 28″ of water (pressure) on Superflow 600
Bore Size: 4.310″, 3/4″ radius plate exhaust, 2 1/8″ curved pipe

Explore more from our collection.