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Radium Engineering Mazda 13B-Rew Secondary Top Feed Conversion Fuel Rail

Marsoni M251S
Sale price$189.95
Pay 4 payments of $47.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Radium Engineering Mazda 13B-Rew Secondary Top Feed Conversion Fuel RailThe Radium Engineering high flow secondary fuel rail is for the 13B REW rotary engine. 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. This fuel rail includes injector seats and converts to feed fuel injectors (not included). For more information see the product page at radiumauto. com. This
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 756 reviews
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Verified Purchase
Kurtiss s.
Port Orchard, US
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
C
Verified Purchase
Clint
Fort Morgan, US
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
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Reviewed in the United States on November 5, 2025
Q
Verified Purchase
Quinton
Phoenix, US
★★★★★ 5
good product
Better then expected
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Reviewed in the United States on April 12, 2026
P
Verified Purchase
Patrick
Battle Creek, US
★★★★★ 5
Good bang for your buck, great quality.
Works great. Most of it is metal and works as a heat sink. Came with two fuses and the adapters for smaller or larger Guage wires. Fit very well and easily for our choice of installation and was a great price.
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Reviewed in the United States on May 8, 2025
J
Verified Purchase
Jeremy Gardner
Chelsea, US
★★★★★ 5
Good for under the hood
Pretty good heavy duty block. It's got the rubber grommets for the smaller wire if needed.
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Reviewed in the United States on January 1, 2026

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