Perrin Top Feed Fuel Rails | 2002-2014 WRX / 2007-2021 STI (PSP-FUL-220BK)

Perrin Performance
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02-14 WRX / 07-21 STI Top Feed Fuel Rail Set by Perrin Performance

For customers looking for even greater flexibility with their custom builds, look no further than the PERRIN Top Feed Fuel Rail DIY Kit. Some custom fuel setups only require fuel rails and not a junction block, and this kit is here to fill that requirement.

PERRIN Top Feed Fuel Rails incorporate large 0.520" inside diameter channels for maximum fuel flow. This allows for cars to run beyond 800 WHP safely and without inconsistent fuel flow to each cylinder.

The PERRIN Fuel Rail DIY Kit is threaded for male 9/16-18 fittings, utilizing an O-ring seal. These are the same as a typical -6 AN fitting with an O-ring seal, also referred to as ORB fittings. These fittings are widely available and in all shapes and colors--whatever suits your build.

All PERRIN Fuel Rails come with built-in phenolic spacers. These spacers insulate the fuel rails from the 200°F cylinder heads. This keeps fuel closer to its normal ambient temperature. These spacers reduce the temperature of the fuel upwards of 30°F.

PERRIN Fuel Rail bodies and junction block bodies are precision CNC machined from 6061 billet aluminum with black anodized finish for corrosion protection and a clean looking finish. All ports are marked with "Feed" and "Return" for ease of installation.

Features

  • DIY kit for greater flexibility with custom builds
  • Large 0.520" inside diameter channels
  • Allows cars to run beyond 800whp w/o inconsistent fuel flow
  • Threaded for male -6AN male fittings w/ o-ring seal
  • Built-In phenolic spacers reduce fuel temps upwards of 30°F
  • CNC machined from 6061 aluminum with black anodized finish
  • Marked "Feed" and "Return" ports for ease of installation

Applications

  • 2002 - 2014 Subaru WRX
  • 2007 - 2021 Subaru STI

Benefits

  • Increased fuel flow
  • More consistent flow
  • Clean looking design
  • Corrosion resistant

What's In The Box?

  • 2 - PERRIN Top Feed Fuel Rails
  • 4 - M8 x 20 Socket cap screws
  • Warranty, instructions, stickers

References

Warranty

  • PERRIN Performance warrants that this product will be free from defects in material and workmanship within a 5-year period from the date of purchase.

Customer Reviews

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A
Alex
awesome product

these fuel rails are one of the best, honestly an easy plug and play solution that doesn't require AN lines. so far work perfectly. perfect replacement for the old crusty oem lines.