Upgrade the charging system of your Mazda RX-7 FD3S 13B-REW with the SPAN Racing Technology Alternator Conversion Bracket, designed to install the reliable and high-output 130A Toyota 86 / Scion FR-S / Subaru BRZ OEM alternator.
Developed and manufactured in-house by SPAN Racing Technology in Saitama, Japan, this conversion bracket provides a modern charging solution for high-performance rotary engines equipped with increased electrical demands.
Whether you're running electric cooling fans, high-flow fuel pumps, standalone engine management, or additional electronics, the factory alternator can become a limiting factor. This conversion allows you to take advantage of the proven reliability and increased output of the OEM Toyota 86 alternator while maintaining proper fitment on the FD3S 13B-REW engine.
Key Features
Designed Specifically for Mazda RX-7 FD3S 13B-REW
Engineered exclusively for the FD3S RX-7 rotary engine, providing accurate fitment and proper belt alignment.
Compatible with OEM Toyota 86 130A Alternator
Designed to mount the factory 130A Toyota 86 / Scion FR-S / Subaru BRZ alternator, offering significantly higher charging capacity than many original alternators.
Precision A2017 Aluminum Construction
CNC machined from high-strength A2017 aluminum alloy, providing an excellent balance of lightweight construction, durability, and rigidity.
Manufactured in Japan
Designed, machined, in-house by SPAN Racing Technology in Saitama, Japan.
Increased Charging Capacity
An ideal upgrade for vehicles equipped with:
- Electric cooling fans
- High-flow fuel pumps
- Standalone ECUs
- Additional lighting
- Audio systems
- Data logging equipment
- Other high-demand electrical accessories
OEM Serviceability
Uses a readily available OEM Toyota 86 alternator, making future replacement parts easy to source worldwide.
Recommended Belt
For most applications, 5PK780 is recommended.
Kit Includes
- A2017 Aluminum Alternator Conversion Bracket
- Bracket Mounting Hardware
- Belt Adjustable rod
- Alternator Mounting Bolt
Notes
- Designed exclusively for the Mazda RX-7 FD3S 13B-REW.
- Compatible with the OEM 130A Toyota 86 / Scion FR-S / Subaru BRZ alternator.
- Alternator and drive belt are not included.
- Professional installation is recommended.
- Belt length may vary depending on engine configuration.
