Description

  • Designed for Big-Block aluminum heads P/N 12363390, P/N 12363392, P/N 12363399, P/N 19331425, P/N 19331424 and P/N 19331422
  • Use with manifold P/N 12363406, P/N 12363407, P/N 12363420 or P/N 12363421