Looking to elevate your gear shifts with pure JDM goodness? This authentic Subaru Spec B transmission package brings the legendary TY856 heavy-duty strength right to your build. Paired with a matching 3.90 final drive R180 rear diff with LSD, it gives your setup instant street clout and bulletproof reliability. This the ultimate plug-and-play move for your 6-cylinder machine.
6-Speed Manual + R180 LSD Diff Overview
Forget sloppy gear changes and fragile gearsets. This rare JDM Spec B drivetrain setup is built to handle serious power while giving you crisp, snappy shifts. The inclusion of the rear R180 limited-slip differential ensures your symmetrical AWD actually puts power down to both rear tires when taking tight corners. Whether you are building a daily driver or a track monster, this transmission brings pure driving main-character energy.
Fitment — Legacy/Outback 3.0R & Spec B
This transmission setup is specifically engineered for the naturally aspirated 3.0L flat-six EZ30 platform. Check the exact fitment chart below before placing your order.
|
Year Range |
Model |
Trim |
Engine |
Notes |
|
2004–2009 |
Subaru Legacy |
Spec B / 3.0R |
EZ30 3.0L H6 |
Direct Bolt-on Match |
|
2004–2009 |
Subaru Outback |
3.0R / Limited |
EZ30 3.0L H6 |
Direct Bolt-on Match |
|
2002–2007 |
Custom Swaps |
Impreza / WRX |
EJ Series |
Requires Clutch Adapter |
Tested & Ready to Install
Every single unit imported by DMV JDM Depot goes through a rigorous inspection process before hitting our shop floor. We source directly from clean, low-mileage Japanese vehicles averaging between 55k to 65k miles.
- Gear Inspection: Gears engage smoothly with no grinding or lockouts.
- Casing Integrity: Zero cracks, major corrosion, or compromised mounting points.
- Diff Health: Limited-slip differential spins true without binding.
What’s Included & Installation Notes
You get a clean, complete core transmission assembly along with the rear differential. Because JDM wiring harnesses differ slightly from US market cars, pay close attention to the prep work below:
- Included: Complete transmission assembly and matching 3.90 R180 LSD rear differential.
- Reuse Sensors & Solenoids: Swap over your original USDM sensors and wiring harness to guarantee zero check engine lights.
- Torque-Converter & Input Seals: Always replace input shaft and main axle seals before dropping the unit in.
- Fluids: Fill with fresh high-grade synthetic gear oil before startup.
Why Buy From DMV JDM Depot?
We don't sell questionable junk. DMV JDM Depot brings you hand-picked, authentic Japanese imports backed by real enthusiast customer support.
- 30-Day Warranty: Drive with peace of mind knowing your purchase is covered.
- Fast Nationwide Shipping: Freight delivery straight to your residential or commercial address across the lower 48 states.
- VIN Fitment Verification: Send us your VIN before buying and we will double-check fitment for free.
Check out our full collection of Subaru Transmissions or explore our broader JDM Transmissions collection. Looking for the 3.70 ratio version instead? View our Subaru Legacy GT Spec B 6-speed (3.70). Want maintenance tips? Read our guide on How to Inspect a Used Engine/Transmission Before You Buy.
Frequently Asked Questions
Will this 6-speed fit my Subaru Legacy or Outback?
Yes, it is designed for EZ30 3.0R and Spec B platforms, though custom swaps might require minor harness or drivetrain adjustments.
Does it include the R180 rear differential and LSD?
Yes, this package includes the heavy-duty matching R180 rear differential equipped with a factory limited-slip differential.
What does the 3.90 final-drive ratio mean for me?
The 3.90 gear ratio delivers punchy acceleration while keeping highway cruising smooth and highly responsive.
Is this a JDM used transmission, and what mileage does it have?
This is an authentic JDM imported unit with an estimated low mileage of only 55,000 to 65,000 miles.
Can I use this behind an EZ30, or will it bolt to other Subaru engines?
It bolts up directly to the 3.0L EZ30 flat-six, but EJ-series engines require different bellhousing setups.
Does it come with a warranty, and do you ship nationwide?
It includes a 30-day start-up warranty and ships quickly across all lower 48 US states.