Join Date: Jun 2017
Location: Akron, OH
Car: 2005 OBXT Limited, EJ207 swap
Feedback Score: 0 reviews
Aftermarket? Not terribly many options. But anything that will work for a T-type R160 rear diff will work.
Subaru had a few OE, but most were viscous type. They work decently, but not as aggressively as the old clutch type or ratchet-and-pawl "lockers". Some early R160 were clutch type, some R180s had a Torsen type diff.
Easiest/quickest option is to find a viscous R160 with matching final drive ratio and bolt it in. 1997+ rear diffs will have the correct pinion flange and axle-type. Some OB, LGT and WRX from the late 90s to mid 2000s will have them. Some are more rare than others, in terms of ring and pinion ratio.
2005 OBXT Limited OBPM // EJ207 // 5MT
First 32-bit, 207-swapped OBXT?
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