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Cylinder Head Stages

Stage I
  1. Competition Valve Job
  2. Bowl Ported
  3. Ferrea EV-8 Stainless Competition Duty Valves
  4. Hardened Spring Cups (on most heads)
  5. .600 Lift Dual Springs
  6. Manley Chromoly 10º Retainers & Locks
  7. Performance Specific Seals per Application
  8. Guideplates (supplied if applicable)
  9. Flowbench Tested - Spec & Flowsheets Supplied

Stage II
  1. Competition Valve Job
  2. Full Intake Port Match & Full Intake Bowl Porting
  3. Fully Ported Exhaust Runners
  4. Ferrea EV-8 Stainless Competition Duty Valves
  5. Hardened Spring Cups (on most heads)
  6. .600 Lift Dual Springs
  7. Manley Chromoly 10º Retainers & Machined Locks
  8. Performance Specific Seals per Application
  9. Guideplates (supplied if applicable)
  10. Flowbench Tested - Spec & Flowsheets Supplied

Stage III
  1. Competition Valve Job
  2. Fully Ported Intake Runners
  3. Fully Ported Exhaust Runners
  4. Full Combustion Chamber Porting
  5. Ferrea EV-8 Stainless Competition Duty Valves
  6. Hardened Spring Cups (on most heads)
  7. .600 Lift Dual Springs
  8. Manley Chromoly 10º Retainers & Machined Locks
  9. Performance Specific Seals per Application
  10. Guideplates (supplied if applicable)
  11. Flowbench Tested - Spec & Flowsheets Supplied

106 West Peachtree Drive * Lynn Haven, FL 32444 * Phone: (850) 265-9818 * E-mail: php@knology.net