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Boostline Performance

Boostline CNC Ported Cathedral Port Cylinder Heads

Boostline CNC Ported Cathedral Port Cylinder Heads

Regular price $1,995.00 USD
Regular price Sale price $1,995.00 USD
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Top off your short block, or just upgrade your current setup with Boostline's CNC ported cathedral port heads!  These are a factory GM head that have been CNC Ported by Frankenstein Engine Dynamics (FED).  These heads start off as a 862/706 casting from GM then enter FED’s advanced manufacturing processes proven to generate the most efficient power in every application. We take great pride in our work and our attention to detail is unmatched in this industry. 

 FED’s Boostline Heads Include:

  • Seasoned pair of either 862 or 706 casting heads
  • FED’s exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers 
  • Pressure Tested for Leak Detection
  • Precision Newen CNC Valve Job, which ensures near zero runout
  • All Cylinder Head Sealing Surfaces Including Ends are PCD Machined, Making Sure all Surfaces are True
  • Meticulous Hand Blending and Deburr
  • PCD Surfacing (Optimal For Modern MLS Head Gaskets)
  • Final Wash and Assembly
  • Extreme Attention to Detail and Quality Control at Every Stage
  • Stainless Valves
  • .700 Lift Dual Springs with Titanium Retainers
  • 61cc Chambers

 

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