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Description

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

  • FED Inconel Exhaust Valves: 1.590?
  • Aftermarket CHE Bronze Valve Guides
  • Reuse Del-West Titanium Intake Valves 2.125?
  • FED Custom .700? Spring Kit with Titanium Retainers
  • 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.
4.065?
Intake Port Volume
325cc
Exhaust Port Volume
118cc
Combustion Chamber Volume
61cc
Intake Valves
Reuse factory 2.125?
Exhaust Valves
Reuse factory 1.590?
Valve Springs
.700 Dual Valve Spring by PAC
914005
Retainers
FED Ti-64 Retainer – LS Dual Spring
914040
Valve Locks
GM Valve Lock
916051
Valve Seals
Viton High Heat Seal  VS805 .311/.500/8mm
SPRVS805USS
Rocker Stands
Stock Rockers. (CHE Trunnion Upgrade Kit Recommended, sold separately)

LT4 6.2L Stage 1 Porting Service (SET)

Regular price $1,799.96

Shipping calculated at checkout

Specifications
Description

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

  • FED Inconel Exhaust Valves: 1.590?
  • Aftermarket CHE Bronze Valve Guides
  • Reuse Del-West Titanium Intake Valves 2.125?
  • FED Custom .700? Spring Kit with Titanium Retainers
  • 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.
4.065?
Intake Port Volume
325cc
Exhaust Port Volume
118cc
Combustion Chamber Volume
61cc
Intake Valves
Reuse factory 2.125?
Exhaust Valves
Reuse factory 1.590?
Valve Springs
.700 Dual Valve Spring by PAC
914005
Retainers
FED Ti-64 Retainer – LS Dual Spring
914040
Valve Locks
GM Valve Lock
916051
Valve Seals
Viton High Heat Seal  VS805 .311/.500/8mm
SPRVS805USS
Rocker Stands
Stock Rockers. (CHE Trunnion Upgrade Kit Recommended, sold separately)
LT4 6.2L Stage 1 Porting Service (SET)

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