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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
2025 USAC Championship Winner - Tyler Nelson
As OEM castings have gone out of production
1 - Ring Squaring Tool
K20 or K24 available
Ferrea single roller rocker can be used with a special order VTEC Killer single lobe
4P Kingpin Turbo K-Series Race Head GTR 2025 USAC Championship Winner -Introducing 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
US$ 38.00
US$ 49.00
US$ 41.00
US$ 41.51
US$ 38.00
US$ 38.00
