Garage Sale

FED LS7 285cc Cylinder Heads (set) - Porting Service - Complete(Assembled)

$1,960.00

! WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov
  • Reuse Del-West Titanium Intake Valves: 2.205″
  • Manley Stainless Exhaust Valves: 1.615″
  • Intake Volume: 285cc
  • Exhaust Volume: 92cc
  • Chamber: 71cc
  • Seats: Stock Iron
  • Guides: CHE Bronze Valve Guides
  • Minimum Bore: 4.125
  • Intake Manifold Recommendation: FED Billet Low Pro
  • Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers
  • Intake Peak Flow: 410
  • Exhaust Peak Flow: 260
  • Recommended Alternative for Performance: FED F-710 or F715

We start by doing what the factory should have done. We replace the standard powdered metal guides with a CHE bronze valve guide throughout the head, not just the exhaust side. Our GM LS7 port is what you NEED for your 06-13 Z06 or 14-15 Z28 (or LS swap).  Contact us now if you have any questions!

Tech Specs: GM LS7

  • Reuse Del-West Titanium Intake Valves: 2.205″
    • *NOTE – Must Re-Install Lash Caps!
  • Manley Stainless Exhaust Valves: 1.615″
  • Intake Volume: 285cc
  • Exhaust Volume: 92cc
  • Chamber: 71cc
  • Seats: Stock Iron
  • Guides: CHE Bronze Valve Guides
  • Minimum Bore: 4.125
  • Intake Manifold Recommendation: FED Billet Low Pro
  • Springs: FED .660″ Dual LSX Spring Kit with Titanium Retainers
  • Intake Peak Flow: 410
  • Exhaust Peak Flow: 260
  • Recommended Alternative for Performance: FED F710 or F715

Also Includes:

  • Teardown/Clean/Inspect
  • Remove and Replace Guides
  • Size Valve Guides
  • 5-Axis CNC Porting – Intake/Exhaust/Chambers
  • Precision CNC Valve Job
  • Ends Machined
  • Hand Blending
  • Surfacing
  • Final wash and Assembly
  • Pressure Tested
  • Quality Control at Every Stage

Lead Times:

  • All Pricing Assumes Cores Provided: 10-15 business days from the time your head gets to our facility. You can drop off your heads or ship them to us. This FORM may be printed and shipped or emailed to sales@frankensteined.net. Frankenstein Engine Dynamics will not accept, nor work on any cylinder heads or manifolds without this form.
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