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P&L Motorsports EJ25 P1 CNC Cylinder Head Package

$3,684.95 $3,316.45

Core Option: I'll Supply My Own Cores

  • I'll Supply My Own Cores
  • New Cores
$3,684.95 $3,316.45
Out of stock

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SKU: PL-SUB702-02N/A

The P&L Motorsports EJ25 P1 CNC Cylinder Head Package for the Subaru WRX and STI is the highest flowing, most horsepower-making cylinder heads available on the market. Used in both our quarter-mile record-setting 8.35 sec & 8.99 sec Subarus, the P&L P1 Cylinder Heads deliver both performance and reliability.

Features:

  • Best performing and most developed design on the market
  • CNC ported for optimum flow, performance, and consistency across the head
  • +1mm valves increase flow and performance
  • High heat tolerant Inconel exhaust valves add durability
  • Performance valve springs for maximum performance up to 10,000 rpm
  • Precisely hand-finished runners, chambers, and blending of the bowl area
  • Professionally assembled by P&L Motorsports
  • Available on a core exchange or for outright purchase

Applications: All EJ255 and EJ257 equipped Subarus

  • 06-14 WRX
  • 04-15 STI
  • 04-13 Forester XT
  • 05-12 Legacy GT
  • 05-09 Outback XT
  • 04-06 Baja XT
  • 05-06 Saab 9-2X

Flow Numbers:

INTAKE – LIFT INTAKE – FLOW EXHAUST – LIFT EXHAUST – FLOW
.050″ 62.56 CFM .050″ 55.89 CFM
.100″ 106.38 CFM .100″ 92.63 CFM
.150″ 154.25 CFM .150″ 136.55 CFM
.200″ 196.02 CFM .200″ 181.70 CFM
.250″ 238.56 CFM .250″ 209.35 CFM
.300″ 269.08 CFM .300″ 226.25 CFM
.350″ 286.25 CFM .350″ 233.56 CFM
.400″ 301.05 CFM .400″ 240.16CFM
.450″ 305.84CFM .450″ 243.25 CFM
.500″ 309.87 CFM .500″ 247.11 CFM

CFM: Cubic Feet Per Minute

*We do flow testing down to .050″ because low lift flow and good data resolution are important.*

*Due to the volatile nature of high horsepower racing applications and outside circumstances such as inability to monitor proper break-in, engine oil selection, ancillary mechanical faults, and improper ECU calibration do not allow us to provide a warranty for these assemblies.

Core Option

I'll Supply My Own Cores, New Cores

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