Radium Engineering Mazda 20B-REW Secondary Fuel Rail

Radium Engineering Mazda 20B-REW Secondary Fuel Rail

Marsoni

M251S

$113.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Radium Engineering Mazda 20B-REW Secondary Fuel RailThe Radium Engineering high flow secondary fuel rail is for the 20B REW rotary engine originally found in the 1990 1995 Mazda Eunos Cosmo. The aluminum fuel rail is anodized black for compatibility with all popular fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements. Converts to top feed fuel injectors (not included). This Part Fits: Year Make Model Submodel 1993 1995

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I used it to set up some extra pods on the back of my truck, and having that full 20 feet of length made it so much easier to route everything cleanly without having to splice in extra wire. The 16-gauge copper feels heavy-duty and is protected by a thick PVC jacket that seems like it’ll hold up well against heat and the elements. It’s a simple plug-and-play setup that saved me a ton of time, and the connections snap together with a really solid, secure click. If you’re doing a custom lighting build on a larger vehicle or a boat, this kit is a total lifesaver for keeping your wiring looking professional and staying reliable.

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Reviewed in the United States on February 20, 2026

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Kenneth Harris

Houston, US

★★★★★ 4

Wiring

Size: 16AWG -20FT 2Pcs

Great wires

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Reviewed in the United States on May 3, 2026

Verified Purchase