| | Designed and developed by Mopar Performance, these Stage VI Aluminum Big Port Cylinder Heads are made from high-strength aluminum and are designed to be completely interchangeable with the stock Big Block cylinder heads. These high-strength, lightweight (40 lbs. lighter per engine set) aluminum heads feature larger intake ports that are rectangular and raised for increased output - 210 cc, raised exhaust ports while maintaining stock header pattern, and a "closed" combustion chamber of 78 cc with thick 0.450" deck that permits milling. These bare machine heads use stock valve gear and include seats and bronze 3/8" guides. All aluminum heads are quality checked for pressure and hardness.
Stage IV Aluminum Max Wedge Cylinder Head - 2.14" Intake and 1.81" Exhaust | 
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