4P Kingpin Turbo K-Series Race Head GTR K20 or K24 available

K20 or K24 available

2025 USAC Championship Winner - Tyler Nelson

Select Pair if you need both Intake and Exhaust

K24 Turbo or Supercharged

Ferrea single roller rocker can be used with a special order VTEC Killer single lobe

4P Kingpin Turbo K-Series Race Head GTR K20 or K24 availableIntroducing the 4P "Kingpin" K Series Race Head This cylinder head is specifically designed to take the extreme abuse of ultra high horsepower applications. As SFWD, AWD, and Pro RWD cars begin to exceed 1500whp, 1800hp, and even 2000+hp, the OEM head castings become a failure point, often splitting in half or cracking through the deck and port walls. The 4P Kingpin uses the 4P Race Casting which features a deck that is 3x thicker than any OEM