SKU: 54398000690

HYBRID RACING K-SERIES FUEL RAIL & FITTINGS (01-05 HONDA CIVIC SI & 02-06 ACURA RSX)

Sale price$148.45 Regular price$164.95
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

HYBRID RACING K-SERIES FUEL RAIL & FITTINGS (01-05 HONDA CIVIC SI & 02-06 ACURA RSX)Fits: 2001 2005 Honda Civic Si 2002 2006 Acura RSX Description: Bolt On K series Engine Fuel Rail. Allows you to tuck your fuel lines. 1 8th npt port for fuel pressure gauge. Ninja Black for the stealthy look. Hybrid Racing fuel rails are made from 6061 aluminum with T6 heat treatment and features a durable anodized finish with a laser etched logo ensuring that your engine bay looks fresh and your engine stays fed! Each rail includes a 1 8" NPT hole

Fits:
  • 2001-2005 Honda Civic Si
  • 2002-2006 Acura RSX

Description:

  • Bolt On K-series Engine Fuel Rail.
  • Allows you to tuck your fuel lines.
  • 1/8th npt port for fuel pressure gauge.
  • Ninja Black for the stealthy look.

Hybrid Racing fuel rails are made from 6061 aluminum with T6 heat treatment and features a durable anodized finish with a laser etched logo ensuring that your engine bay looks fresh and your engine stays fed!

Each rail includes a 1/8" NPT hole that allow you to mount a fuel pressure gauge directly to your fuel rail. This puts the fuel pressure gauge in a spot that's easily visible, so you don't have to poke around in the engine bay just to see if you have fuel pressure. All of the ports can accept a -8 ORB fitting in the inlet(s) and outlet allowing you to run either -6 or -8 AN fuel lines.

The other detail that should stand out is the option for plugging the side inlet and outlet to allow you to run your fuel line to a centrally located -8 ORB fitting. This is positioned so that the fuel line can pass between the middle two cylinder intake runners (depending on your intake manifold.) This is an excellent option for anyone looking to tuck their wires and lines.

What intake manifolds is this rail compatible with?

This rail has been shown to mount to the PRB, RBC, and RBB intake manifolds without needing any modifications. Any aftermarket intake manifolds that share the same fuel rail mounting points as the PRB, RBC, or RBB should also accept this rail.

E85 compatible

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Exchange/Return Notes
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SKU: 54398000690

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AnaC
Lowell, US
★★★★★ 5
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I have a teething puppy and this is the only ball that has outlasted the rest!! Big chewer and still bounces and no tears! Keeps him entertained for hours!! Sturdy, solid, good quality and value!
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Reviewed in the United States on February 12, 2026
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Dana Kurtz
Dallas, US
★★★★★ 5
Durable, even for a Great Dane!
Color: Ultra, Size: XXL
I've bought many tennis ball sized ChuckIt balls in the past (for medium sized dogs we've owned), so when we knew we were going to be babysitting our daughter's Great Dane, I bought a bigger one for her. The 4" is perfect for her! She plays catch with it, but also likes to gnaw on it. It holds up great!
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Reviewed in the United States on April 19, 2026
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Ol' Hippie
Pawtucket, US
★★★★★ 5
Another great product from Chuckit!
Color: Ultra, Size: XL
Exactly the high quality that I've come to expect from Chuckit! The plastic/rubber used in their products is extremely tough yet gives enough that it's hard to actually pierce the it and tear apart. We have had Chuckit! Sticks and Balls with launcher for years and love them all. This particular ball is pretty big so my 45 pound pit mix struggles to pick it up but that's part of the fun for him. My 85 pound pit mix can pick it up no problem. The only "complaint" is that the two of them have been having so much fun with their new ball, they have already knocked something over and broke it. 😁
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Reviewed in the United States on March 26, 2026
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Cristy L. Spencer
Los Angeles, US
★★★★★ 5
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