Series One 185 SBC
(Sold in Pairs)


The 185cc series 1 heads are perfect for that budget build. Making great power at a price that cannot be matched. Machined and assembled in the USA. Dyno results show 20 to 35 hp gains over the competition.

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  • Ultra-smooth 356-T6 aluminum casting
  • Multi angle valve job
  • Precision CNC machining
  • Angle or straight plug options
  • 64 or 72cc chambers
  • Professional assembly
  • Assemblies include: 21-4N 1pc swirl polished back cut valves
  • Machined and Assembled in USA