GM 4.3 VTECH NEW BARE

ProMaxx Performance designed/developed this cylinder head from the GM 4.3 Vortec factory casting. This head is a screw in stud cast iron replacement for stock applications. The cylinder head was cast thicker than OEM spec for better quality.

No Springs or Valves
1999 – 2007
Models: Astro, Blazer, Express, S10 Pick Up, Silverado, Jimmy, Safari, Savana, Sierra, Sonoma
Engine Size: 4.3L V6
Cast #: 113