Looking to make your Hemi breathe fire? Mopar has you covered! These bolt-on, CNC-ported cylinder heads are equipped with the highest quality parts and technology available to deliver top performance. Capable of handling camshafts with valve lifts up to .600", they are designed to optimize flow while maintaining optimum port velocity.

• Brand-new, factory-fresh castings (no core required)
• 5-Axis CNC-ported
• Ovate wire, “beehive” competition valve springs
• One-piece stainless steel intake and exhaust valves
• Titanium, 7-degree valve spring retainers
• Machined, 7-degree round groove valve locks
• High-temperature Viton valve seals
• Bronze alloy valve guides
• Hardened, custom valve seats
• Premium “5-angle” CNC-machined valve job

Sold together as a kit that includes both the left and right cylinder heads. Whether on the street or on the track, Mopar lets your 300 dominate.