PRC237 Cylinder Heads for LS1 LS2 - Cylinder Heads
PRC237 Cylinder Heads for LS1 LS2 - Cylinder Heads
PRC237 Cylinder Heads for LS1 LS2 - Cylinder Heads

PRC237 Cylinder Heads for LS1 LS2

$4,950.00
$4,800.00
Tax included. Shipping calculated at checkout.
High Performance Heads which often gain 25rwkw above the factory heads and sometimes more with big camshafts.
Features: 
  • 237cc Fully CNC Ported Intake Runners
  • 84cc Fully CNC Ported Exhaust Runners
  • Dual Spring Kit w/ PAC Springs Rated To .660" Lift
  • 68cc CNC Machined Chambers
  • CHE Bronze Guides
  • 2.100" Intake / 1.600" Stainless Valves  (Hollow Stem)
  • Factory Rocker Friendly!!
The all new 237cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance.   The new 237cc port has been flow bench tested to flow over 330cfm & can support everything from smaller camshaft street engines all the way to all our race engines. This cylinder head is a combination of a max effort high flowing port combined.  

Flow Data:

4.030" Flow Plate - No Exhaust Pipe

 

LIFT INTAKE FLOW  EXHAUST FLOW 
 .100"   66 CFM  57 CFM 
 .200"    147 CFM  117 CFM
 .300"    225 CFM  170 CFM
 .400"    284 CFM  206 CFM
 .500"    325 CFM  227 CFM
 .600"    334 CFM  235 CFM
 .650"    339 CFM  241 CFM

 

Heads are made to order with Chambers available between 62cc and 68cc.