PERRIN Top Feed Fuel Rail Kit

2002-2014 Subaru WRX / 2007 Subaru STI

Ships for free in the 48 states

SKU: PSP-FUL-201BKWe price match!

Out of Stock


  • Delivers a larger volume of fuel to your injectors
  • Supplements your larger injectors 
  • Ideal for those of you building a fuel system for your high-powered street car or purpose-built race car
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PERRIN Top Feed Fuel Rail Kit


  • PERRIN High-Flow Fuel Rails incorporate large inside diameter channels for maximum fuel flow
  • Supports enough flow up to 800 WHP without inconsistent fuel flow to each cylinder
  • -6 Barbed fittings with O-rings are included to ensure a proper connection to the hose and are removable allowing for easy customization of aftermarket fuel lines
  • A must-have for any car looking to exceed 400 horsepower
  • Designed to split incoming fuel for equal fuel distribution, pressure, and a more consistent air-fuel ratio between all cylinders
  • Fuel rails and distribution block are precision CNC machined from 6061 billet aluminum materials
  • All parts are marked with Feed and Return for an easier installation
  • All PERRIN High-Flow Fuel Rails come with built-in phenolic spacers which are fitted to the fuel rails and the junction blocks sit between these and the engine, insulating it from heat
  • PERRIN Fuel Rails feature large 3/8" inside diameter fuel injection hose which provides a higher flow rate than competitive systems
  • Includes PERRIN Flexguard Cover which is a high-abrasion strength and heat resistant woven ballistic nylon that helps protect your hose from wearing during vehicle operation
  • PERRIN High-Flow Fuel Rails include stainless steel lined Oetiker clamps which have a secure fit since there are no gaps in the band which creates a better seal
  • PERRIN Fuel Rails are anodized black for corrosion protection 



The PERRIN Top Feed Fuel Rail Kit has been designed to deliver a larger volume of fuel to the injectors of your Subaru WRX or STI. Additionally, these rails will distribute the fuel evenly in a parallel function. These rails are ideal for that of you building a fuel system to support high power levels in your high-powered street car, or your purpose-built race car or rally car. 

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