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PRC 220cc 15-Degree CNC Cathedral Heads

$2,437.79 
Precision Race Components all new cylinder head castings completed with 220cc runners. For stock cubic inch LS1/LS2 applications requiring a stock valve angle LS cylinder head with extra thick decks comparable to stock piston to valve.

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MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!

Features: 
  • 220cc Fully CNC Ported Intake Runners
  • 84cc Fully CNC Ported Exhaust Runners
  • Designed as a bolt on cylinder head with minimal change to pushrod length
  • TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
  • 64cc CNC Machined Chambers
  • CHE Bronze Guides
  • 2.045" Intake / 1.600" Stainless Valves  
  • Factory Rocker Friendly!!*
  • Extra Thick Deck Surfaces For Power Adders

The all new 220cc cylinder head is finally available for customers looking for a bolt on 15 degree LS cathedral cylinder head.  Think of this cylinder head as the ultimate 15 degree LS1/LS2 cylinder heads for guys wanting a stronger replacement to the LS1 / LS6 / LS2 factory casting.  The perfect head for guys wanting a aftermarket casting  that will retain the use of all there existing components.



Flow Data:

4.00" Flow Plate - No Exhaust Pipe

 

LIFT INTAKE FLOW  EXHAUST FLOW 
 .100"   66  CFM  55   CFM 
 .200"    144 CFM  113 CFM
 .300"    211 CFM  167 CFM
 .400"    258 CFM  200 CFM
 .500"    297 CFM  217 CFM
 .600"    309 CFM  228 CFM
 .650"    315 CFM  230 CFM