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Description

Bare or Assembled – Frankenstein Engine Dynamics OEM and Aftermarket Cylinder Head Performance Porting

  • Reuse Stock Stainless Steel Valves  (37mm/31mm)
  • Reuse Stock Springs (Upgrades Available – Call Us!)
  • Reuse Stock Retainers (Want Titanium? – Call Us!) and Locks
  • New Seals
  • Service Sold Per Set

Description

FED  specializes in high performance cylinder head porting for racing engine applications. OEM and Aftermarket heads 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. With over 100 years of combined team experience we know how to Win! FED’s Porting Process Includes:

  • Teardown/Clean/Inspect
  • FED’s exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers (Some Chambers Don’t Apply)
  • 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

Lead Times:

  • LEAD TIMES MAY VARY. You can drop off your heads or ship them to us.

Specifications

Description
Specification
Part Number
Min. Bore Dia.
3.630?
Intake Port Volume
227cc
Exhaust Port Volume
115cc
Combustion Chamber Volume
60cc
Intake Valves
Reuse factory  37.7mm
Exhaust Valves
Reuse factory  32mm
Valve Springs
Reuse factory (upgrades available)
Retainers
Valve Locks
Coyote OEM
SPRF5RZ6518FRD
Valve Seals
Coyote OEM 5.0L Replacement
SPRVSF50VUSS
Rocker Stands
Stock Rockers. (Trunnion Upgrade Kit Recommended, sold separately)

Gen I Coyote Porting Service (SET)

Regular price $2,149.96

Shipping calculated at checkout

Specifications

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Description

Bare or Assembled – Frankenstein Engine Dynamics OEM and Aftermarket Cylinder Head Performance Porting

  • Reuse Stock Stainless Steel Valves  (37mm/31mm)
  • Reuse Stock Springs (Upgrades Available – Call Us!)
  • Reuse Stock Retainers (Want Titanium? – Call Us!) and Locks
  • New Seals
  • Service Sold Per Set

Description

FED  specializes in high performance cylinder head porting for racing engine applications. OEM and Aftermarket heads 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. With over 100 years of combined team experience we know how to Win! FED’s Porting Process Includes:

  • Teardown/Clean/Inspect
  • FED’s exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers (Some Chambers Don’t Apply)
  • 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

Lead Times:

  • LEAD TIMES MAY VARY. You can drop off your heads or ship them to us.

Specifications

Description
Specification
Part Number
Min. Bore Dia.
3.630?
Intake Port Volume
227cc
Exhaust Port Volume
115cc
Combustion Chamber Volume
60cc
Intake Valves
Reuse factory  37.7mm
Exhaust Valves
Reuse factory  32mm
Valve Springs
Reuse factory (upgrades available)
Retainers
Valve Locks
Coyote OEM
SPRF5RZ6518FRD
Valve Seals
Coyote OEM 5.0L Replacement
SPRVSF50VUSS
Rocker Stands
Stock Rockers. (Trunnion Upgrade Kit Recommended, sold separately)
Gen I Coyote Porting Service (SET)

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