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 Oct 30 - Nov 4

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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.
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SKU: 37666558341

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Audrey T.
Lake Worth, US
★★★★★ 5
Great Supplements. Good prices. Made in the USA
Size: 90 Count (Pack of 1)
I love this company for all my supplement needs. My only complaint about the magnesium supplement is that the capsules are pretty large. If you have a problem swallowing pills/capsules you may have a bit of trouble swallowing these. However, I’ve never had magnesium that was easy to swallow. Most of Pure Supplements are small and very easy to swallow. The magnesium is the exception. All magnesium pills are large.
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Reviewed in the United States on May 14, 2026
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Jamie Harmon
Pawtucket, US
★★★★★ 4
Constipation relief
Size: 180 Count (Pack of 1)
I use this for my 3 year old, as he’s nervous about pooping due to past discomfort. Safe and effective!
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Reviewed in the United States on May 25, 2026
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Natalia Siguenza
Lexington, US
★★★★★ 5
The brand is very trustworthy!
Size: 180 Count (Pack of 1)
This is an excellent supplement, I highly recommend it. I can feel the changes after just a couple of weeks of using it. It's very effective in helping me fall asleep after trying lots of different things
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Reviewed in the United States on May 9, 2026
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Susan Peterson
Houston, US
★★★★★ 5
Helped wonderfully with sleep and anxiety.
Size: 180 Count (Pack of 1)
Very good product, Has helped immensely by taking 2 capsules about 2 hrs before bedtime. I have had terrible time falling asleep and these have helped! I’ve ordered about 4 times, don’t want to be with out them.!
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Reviewed in the United States on May 27, 2026
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Mrs. Carolyn P. Ryder
Whiting, US
★★★★★ 5
Why magnesium citrate.
Size: 180 Count (Pack of 1)
We take this product for consistent bowel control. My husband takes two am and pm. I take one am and pm, sometimes take an additional one. Works well.
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Reviewed in the United States on May 29, 2026

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