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Radium Engineering

Radium Engineering Mazda 13B-RE Secondary Fuel Rail

MPN: 20-0446 Catalog #: 001142750 Category: Fuel Rails Check Vehicle Fitment

Product Details

The Radium Engineering high flow secondary fuel rail is for the 13B-RE 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. Like the stock fuel rail, the rail features 11mm injector bores permitting the use of OEM fuel injectors.

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

Radium Engineering Mazda 13B-RE Secondary Fuel Rail

FUEL RAIL, MAZDA 13B-RE SECONDARY

Fuel Injector Rail

FUEL RAIL 13BR SEC

Vehicle Fitment

Please verify year, make, model, and any notes before ordering.

Engine Compatibility

Mazda - Mazda RotaryMatched variant: 13B RE

13B/20B Rotary

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Radium Engineering
Part Number
20-0446
Catalog Number
001142750
Product Line
Fuel Rails
Category
Fuel Delivery
Type
Fuel Rails
UPC / Barcode
Radium 20-0446
Vendor Product Category
Fuel Delivery
Vendor Product Subcategory
Fuel Rails
Length
12.80 in
Width
6.50 in
Height
6.30 in
Weight
1.60 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Prop 65
Unknown
CARB Approved
No
Clearance Item
No

Shipping & Availability

Current status 10 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

STATE RESTRICTIONS: This item is not CARB approved and can not ship to California.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 10 available as of 6/3/2026.

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