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- USA
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Ships within 48 hours · Estimated delivery Jun 14 - Jun 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
Radium Engineering 99-05 Mazda MX-5 RA-Series Fuel Pressure Regulator KitFuel pressure regulator kit for NB Miata MX 5. Provides means for adjustable fuel pressure. Installation is completely reversible. Can be used with OEM fuel pump hanger or Radium fuel pump hanger.

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Exchange/Return Notes
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4.6 ★★★★★
Based on 2441 reviews
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Product Reviews
★★★★★ 5
Bueno
Lo recomiendo
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Good Relay
Works very well
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Reviewed in the United States on August 27, 2024
★★★★★ 3
Functional. Be careful when tightening nuts...strips very easy
Quality is questionable. The poles will strip way to easy. So be careful when fighting down. I had to use a stack of washers on top of wire to keep the nut tight. As far as functionality goes ..been doing great for over a month.
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Reviewed in the United States on March 6, 2025
★★★★★ 5
Well needed
Great for the price
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Reviewed in the United States on January 28, 2026
★★★★★ 4
Happy happy
Not bad kind of pricey that's all definitely would buy from them again
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Reviewed in the United States on February 4, 2026



