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  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159) - Modern Automotive Performance
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  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159) - Modern Automotive Performance
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  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159) - Modern Automotive Performance
 - 3
  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159) - Modern Automotive Performance
 - 4
  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159) - Modern Automotive Performance
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  • 1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering (20-0159)

    MAP price match guarantee Unbeatable Price Guarantee

    Radium Engineering

    1995-2002 Nissan S14/15 SR20DET Fuel Rail Kit by Radium Engineering

    PART# RAD 20-0159
    We Price Match!

    Contact us to ensure you're getting the right part for your car at the absolute best pricing on earth!

    Email - sales@maperformance.com
    Phone 1(888)627-3736



    $ 275.45   $ 289.95
    You Save 5% ($ 14.50)

    this item typically ships in 1-2 weeks. Free delivery by , to your door when ordered within hrs and mins

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    Nissan S14/15 SR20DET Fuel Rail Kit

    The S14 and S15 generations are known for their variable valve timing, ball bearing turbos, and top mounted throttle body. A throttle body in this position places the inverted intake plenum on top, above the fuel injectors, making the top-feed conversion more difficult. Initial assessments revealed that the OEM steel idle air bypass line tubing was causing fuel rail clearance issues. To solve this, a billet IACV spacer with a threaded port was designed.

    This allows the use of a rubber hose to bypass air for the idle motor while eliminating interference with the fuel rail. It was also discovered that Nissan has discontinued the S14/S14 IACV gaskets which lead to a Radium produced version which is included in the fuel rail kit and available separately. Even with the limited overhead space created by the S14/S15 intake plenum, a high quality, 0.69" (17.5mm) high flow top-feed fuel rail fits. This fuel rail has a similar port arrangement as the other two Nissan rails. However, there is no 1/8NPT port on the fuel rail. If a 1/8NPT port is required for a pressure gauge or transducer, Radium Engineering offers a fitting with the provision for this.

    Nissan S14/15 SR20DET Fuel Rail Kit

    The S14 and S15 generations are known for their variable valve timing, ball bearing turbos, and top mounted throttle body. A throttle body in this position places the inverted intake plenum on top, above the fuel injectors, making the top-feed conversion more difficult. Initial assessments revealed that the OEM steel idle air bypass line tubing was causing fuel rail clearance issues. To solve this, a billet IACV spacer with a threaded port was designed.

    This allows the use of a rubber hose to bypass air for the idle motor while eliminating interference with the fuel rail. It was also discovered that Nissan has discontinued the S14/S14 IACV gaskets which lead to a Radium produced version which is included in the fuel rail kit and available separately. Even with the limited overhead space created by the S14/S15 intake plenum, a high quality, 0.69" (17.5mm) high flow top-feed fuel rail fits. This fuel rail has a similar port arrangement as the other two Nissan rails. However, there is no 1/8NPT port on the fuel rail. If a 1/8NPT port is required for a pressure gauge or transducer, Radium Engineering offers a fitting with the provision for this.

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    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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