4P Pro S2K CNC Head

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  • Regular price $1,450.00
Shipping calculated at checkout.


  • CNC Ported intake and exhaust ports
  • OEM Guides left in for porting 
  • Precision CNC valve job using the latest NEWEN Fixed Turning technology
  • Resurface

Recommended Use

  • Pro All Motor, All Motor Street
  • High horsepower turbo and supercharged applications 500-1500+hp
  • USAC Midget
  • High horsepower open class Road Race
  • If you are competitively racing and you are running one of our competitor's heads, make the switch and let the results do the talking

Features & Benefits

  • Slow-cut precision 5-axis cnc porting, second to none on machining quality.
  • Custom intake valve that dramatically outperforms other off-the-shelf valves and weights up to 6 grams less per valve.
  • Full length bronze manganese guide for valve stability.
  • Our intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench!
  • Unique power producing exhaust port design up to 40cfm better than the competition.
  • Our heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.

All heads require a core! You can send us your head, or purchase one from us at the current market price.