SKU: 37666558341

FUEL RAIL, TOP FEED CONVERSION, MAZDA 13B-REW SECONDARY

Sale price$135.90 Regular price$151.00
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

FUEL RAIL, TOP FEED CONVERSION, MAZDA 13B-REW SECONDARYThis Radium Engineering secondary fuel rail is for the Mazda 13B REW rotary engine. With the use of the provided 2AN ORB plugs, this adaptable design permits both the OEM 2 port intake manifold and aftermarket 4 port intake manifolds. 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. The three

This Radium Engineering secondary fuel rail is for the Mazda 13B-REW rotary engine.

With the use of the provided 2AN ORB plugs, this adaptable design permits both the OEM 2-port intake manifold and aftermarket 4-port intake manifolds.

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. The three 8AN ORB ports are compatible with these fittings. The extra center port allows additional fuel system accessories such as the OEM fuel temperature sensor, a pressure transducer, Radium fuel pulse damper, etc.

Insulating spacers and washers are included with stainless steel hardware to prevent thermal energy from conducting heat into the fuel. The two M8 extension mounts are made from stainless steel for superior strength and corrosion resistance.

For the OEM 2-port intake manifold, the included 20mm insulating spacers, billet injector seats, and 2AN ORB plugs will be used. Also, for the required space, an air control valve delete for the OEM 13B-REW intake manifold (sold separately) is required. See Radium 20-0449 HERE.

The included 14mm lower injector seats were designed specifically to be compatible with or without the OEM diffusers in place. They feature FKM O-rings making them suitable for boosted applications. NOTE: if using an Elite Rotary Shop 4-port intake manifold.

With this fuel rail, all lower intake manifolds variations are compatible with the fuel injectors listed below. For the Xcessive Manufacturing 4-port intake manifold, the included 11mm insulating spacers will be used.

Shipping Notes
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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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SKU: 37666558341

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4.0 ★★★★★
Based on 18 reviews
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Amale
Omaha, US
★★★★★ 5
Amazing well thought out tray
Color: Brown, Color: Brown
Super well thought out tray. Looking amazing of course and the sizes of the slots are great. I can fit my large phone in the slot and it has a space for the charger on both ends. Love this tray.
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Reviewed in the United States on May 16, 2026
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Cesar Diaz
Cuba, US
★★★★★ 5
Good quality
Color: Brown
Very well made. And elegant
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Reviewed in the United States on May 29, 2026
L
Verified Purchase
larula
Chelsea, US
★★★★★ 5
The entryway is very convenient for storing keys and small odds and ends.
Color: Brown
The entryway is very convenient for storing keys and small odds and ends.
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Reviewed in the United States on May 16, 2026
S
Verified Purchase
Santiago
Alexandria, US
★★★★★ 5
Great tray
Color: Brown
It has been 2 years simce i bought this one, it still looks like new and it's a great way to organize my desk
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Reviewed in the United States on March 4, 2026
S
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Susan E
Houston, US
★★★★★ 5
Really nice!
Color: Brown
Nicely made. The wood has a lovely finish and rich color. The compartments have a softer bottom so you don’t have to worry about scratching your glasses or other surfaces. Great assortment of compartment sizes to help organize your items. Kicking myself for not getting one sooner.
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Reviewed in the United States on March 14, 2026

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