GN1 Aluminum Heads 3.8 Liter
Casting number


Features of Note:
  • Notice the large intake ports
  • Notice the very solid shaft arrangement of the Jessel style T&D rockers
  • No EGR provision


Features of Note:
  • Notice how the Jessel style T&D rockers are setup with a solid pedestal mounting and adjustable shaft mounted rockers (that are offset for proper geometry)
  • Notice they still take standard "rim bolted" valve covers (although they will have to be taller to clear the rockers)
  • Notice these heads are mounted on a Stage I block drilled for 6 bolts per cylinder

Submitted by:

Todd King