Fast Guppy’s Speed Shop

PRC LS3, L92, & LSA CNC Cylinder Head Porting

  • Sale
  • $650.00
  • Regular price $1,699.00


Tons of R&D on both the flow bench & engine dyno has created one of the leading LS3/ cylinder heads available!

The PRC LS3 cylinder heads porting for customers with existing LS-3 cylinder heads.  Corvette & 2010 Camaro customers can now send in their heads to be ported!

 

 Stock Valve Weight

 Stainless Valve Weight

Hollow Stem Valve Weight 

 106

 122

 91

 Grams

 Grams

 Grams


Precision Race Components
 LS3/L92 CNC ported cylinder heads.  Fully CNC ported LS3-based cylinder heads!
  • 2.165"/1.59" Valves
  • PRC Double Spring Kit AVAILABLE
  • Completely Assembled & Setup To Your Specs!!
Service Includes:
  • Cylinder Head Cleaning
  • CNC Valve Job
  • CNC Porting
  • Milling to customers specs
  • Fully Assembled
Dyno Tested 25+HP Gains Over Stock 6.2L Cylinder Heads!



 PRC LS3 Intake  PRC LS3 Exhaust
       cfm  cfm
 .200
   154  115
 .300  
 223  170
 .400
   282  198
 .500      324  211
 .600      351  228
 .650
   358  232

 

*Typically a 1-2 week turn around time once heads arrive at our facility.