There’s no alternative. You could weld yours but that’ll make for some harder slow speed driving. That being said I own the SCE center and it is well worth the money and probably the best drivetrain mod you can make out of all the diffs, lightweight driveshafts, etc mods you can buy. It transforms the car in a major major way for power delivery and virtually eliminates all under steer.
I know a company in the UK made a LSD/cluch pack version for Andre Gysler (permanent grin here on the forum) but I don't belive it's superior to the torsen diff from SCE in any way apart from maybe dragracing. I really love my SCE diff on twisty circuits.
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