Hot Heads Hemi – Race

This Race Port CNC Program takes the Hot Heads casting to new territory for those needing more power! Many months of R&D were put into these port designs to make the ports as efficient as possible. They feature 2.200 / 1.800 valve sizes (Can do custom sizes upon request) and flow 380cfm to 410+cfm depending on needs.  A new revised exhaust port was designed to work with all current Hot Heads headers while having a traditional port shape. New castings can be purchased direct from Smithberg Racing for a custom built packages.  Available in 7mm – 5/16 – 11/32 guide sizes.

Labor package $2300

Package Includes: CNC Program, hand blended Intake & Exhaust ports, guides installed – sized and honed to spec, seats installed, Custom Profile Valve Job, Light Head Surfacing, Cleaned, and ready for parts.

Fully Assembled Heads Optional: Please contact to discuss your needs! Quality parts available from PAC, Ferrea, Comp Cams, Crane Cams, etc.

Intake manifold: Have a new or used intake manifold? Send it in to get port matched to the heads. A in house mockup block is used to make sure everything lines up before it heads out the door. Better ease of final assembly!

Custom Shaft Rockers are also available from Missile Enterprises or Rocker Arms Unlimited. Smithberg Racing is a Authorized Dealer for both Manufacturers! Custom Rockers built for your needs starting at $3000.


Need help picking a camshaft for your build? Click Here