Radium Engineering Fuel Rail Top Feed Conversion Mazda 13B Primary

SKU: 20-1113

Radium Engineering 20-1113 Mazda 13B Primary Top Feed Fuel Rail Conversion

This CNC machined fuel rail fits the Mazda 13B engine at the primary injector location. It converts the setup to top-feed fuel injectors using the included injector seats. The rail works with common aftermarket universal fuel injectors and includes 8AN ORB ports.

Key Features

• Material: CNC machined aluminum construction
• Ports: 8AN ORB ports for flexible fuel line connections
• Injector Seats: Included seats for top feed conversion
• Compatibility: Works with most universal aftermarket injectors
• Fitment: Primary location on Mazda 13B rotary engines
• Design: Direct replacement for stock fuel rail

Specifications

Detail	Value
Brand	Radium Engineering
Type	Fuel Rail Top Feed Conversion
Compatibility	Mazda 13B engine primary injectors
Ports	8AN ORB
Country of Origin	USA
Warranty	Manufacturer limited warranty

Whats Included

• Fuel rail assembly
• Injector seats
• Mounting hardware

Product Notes

• Requires compatible top feed injectors
• Professional installation recommended
• Check fuel pressure regulator settings after install

This Part Fits

Year Range	Make	Model	Notes
1986-1991	Mazda	RX-7	13B engine primary rail location

Why Choose Radium Engineering?

• Precision CNC machining for consistent fit
• Direct compatibility with aftermarket injectors
• 8AN ORB ports support high flow setups
• Included seats simplify top feed conversion

Frequently Asked Questions

• Q: What engines does this rail support?
• A: It supports Mazda 13B rotary engines at the primary injector position.
• Q: Are injectors included?
• A: No injectors are included. Universal aftermarket top feed injectors are required.
• Q: What port size is used?
• A: The rail features 8AN ORB ports.

Shipping & Handling

• Method: Ground shipping via major carriers
• Availability: In stock – ships same or next business day
• Packaging: Secure box with protective foam