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Precision Damping Control, Motorized
The EDK05-12120 is the motorized link between a Tein EDFC controller and the compatible damping force adjustment dial on your coilover or shock absorber. Designed to bolt directly onto the adjustment collar, this motor kit lets the EDK05-12120 translate in-cabin dial inputs into real adjustments at the damper without reaching under the car. It is a required companion part for any EDFC, EDFC2, EDFC Active, EDFC Active Pro, or EDFC5 controller installation on applicable Tein dampers.
Key Features
- Motorized adjustment unit compatible with EDFC, EDFC2, EDFC Active, EDFC Active Pro, and EDFC5 controllers
- M12 input / M12 output sizing matched to the damper's adjustment shaft and dial for a precise fit
- Weatherproof housing built to handle engine bay and underbody conditions
- Bolt-on installation using the factory adjustment collar, no permanent modification required
- Enables remote, real-time damping force changes from the driver's seat
Specifications
| Detail | Value |
|---|---|
| Part Number | EDK05-12120 |
| Brand | Tein |
| Type | EDFC Motor Kit |
| Sizing | M12 input / M12 output |
| Compatible Controllers | EDFC, EDFC2, EDFC Active, EDFC Active Pro, EDFC5 |
What's Included
- EDK05-12120 motor unit(s)
- Mounting hardware
- Installation instructions
About Tein
Tein is a Japanese suspension manufacturer known for coilover systems and electronic damping force controllers used across street, drift, and track applications. The EDK05-12120 motor kit is part of Tein's EDFC ecosystem, which lets drivers adjust damping force electronically instead of manually at each corner.
FAQ
What is the EDK05-12120?The EDK05-12120 is a Tein EDFC motor kit that mounts to a compatible damper's adjustment dial, allowing an EDFC controller to change damping force electronically. It is sold as a companion part, not a standalone controller.
Do I need a controller to use this motor kit?Yes. The EDK05-12120 requires a compatible EDFC, EDFC2, EDFC Active, EDFC Active Pro, or EDFC5 controller to function, since the motor kit only provides the physical actuation at the damper.
Will this fit any Tein coilover?It fits Tein dampers with an EDFC-compatible adjustment dial matching the EDK05-12120 sizing. Not every Tein damper model supports EDFC, so check compatibility before ordering.
Can I install this myself?Most installers with basic hand tools can mount the EDK05-12120 onto the damper's adjustment collar, though wiring the harness back to the cabin-mounted controller is easier with a lift or ramps.
Does the motor kit include the wiring harness?The motor kit itself includes the motor unit and mounting hardware; the wiring harness is typically bundled with the EDFC controller kit rather than the motor kit.
Is the EDK05-12120 sold individually or per set?It is sold as a kit sized for a single damping adjustment point; most installations require one motor kit per adjustable damper.
Install Instructions
- Locate the damping force adjustment dial on the compatible Tein damper.
- Remove any factory adjustment knob or cap from the dial.
- Mount the EDK05-12120 motor unit onto the adjustment shaft using the supplied hardware.
- Route the motor's wiring harness toward the EDFC controller location in the cabin.
- Connect the harness to the EDFC controller and confirm smooth dial rotation before final harness routing and clean-up.
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