PERRIN Top Feed Fuel Rail System
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The PERRIN Top Feed Fuel rails are designed to deliver large amounts of fuel equally to each cylinder. Consumers running big horsepower that require large injectors will notice the car runs smoother and is more powerful and tuners can safely push the engine closer to the edge.
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.
Fitment notes:
PSP-FUL-201BK
- 2002-2014 WRX - Yes
- 2007-2013 STI - Yes
PSP-FUL-203BK
- 2008-2021 STI - Yes