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PNP Adapter Extension
Regular price $49.99Regular price -
Sealed Fuse Holder 10-12 AWG
Regular price $8.99Regular price -
Sealed Fuse Holder 14-16 AWG
Regular price $8.99Regular price -
Sealed Push To Seat SPDT Relay Kit, 40A
Regular price $19.99Regular price -
Serial Connector (4, 5 or 6 Position)
Regular price $8.00Regular price -
VANOS Low-Side to High-Side Module
Regular price $140.00Regular price -
USB-to-CAN Cable
Regular price $155.00Regular price -
Wheel Speed to CAN Module
Regular price $399.00Regular price -
ECUMaster 8-Channel EGT Module
Regular price $275.00Regular price -
ECUMaster ADU5 Advanced Display Unit Rev 2 IP65
Regular price $1,429.00Regular price -
ECUMaster Battery Isolator Club M8
Regular price $519.00Regular price -
ECUMaster CAN Expansion Module
Regular price $249.99Regular price -
ECUMaster Digital Gear Indicator
Regular price $399.00Regular price -
ECUMaster Drive-By-Wire Throttle Control Module
Regular price $225.00Regular price -
ECUMASTER EMU CLASSIC
Regular price $899.00Regular price -
ECUMaster GPS-to-CAN with IMU V2
Regular price $429.00Regular price -
ECUMaster PMU16 DL Power Management Unit
Regular price $1,656.00Regular price -
EMU Classic USB-A to USB-A Cable
Regular price $6.00Regular price -
Ethanol Content Sensor Connector Kit
Regular price $8.00Regular price -
Flying Lead Harness for PMU-16 & PMU-24 - Tefzel Version
Regular price $329.00Regular price -
ECUMaster Oil Temperature Sensor
Regular price $45.00Regular price -
ECUMaster GPS-to-CAN with IMU (Autosport)
Regular price $549.00Regular price -
WHP 3.5-Bar MAP Sensor
Regular price $64.99Regular price -
WHP 4-Bar MAP Sensor
Regular price $69.99Regular price
Overview
About the Mazda RX-7 Electronics
The 13B-REW responds beautifully to proper engine management. Shop standalone ECUs, gauges, sensors, ignition upgrades, and wiring for the FD3S and FC3S RX-7 from Haltech, ECUMaster, and more. Precise fuel and timing control is especially critical on a rotary — it's the difference between a reliable build and a grenade. Shop RX-7 electronics at J-Spec Garage, shipped fast from the US.