FS: Z/28 helical diff rear axle, 3.91
OEM Z/28 rear axle, PN 23172755
Factory helical diff, 3.91 gears, diff cooler cover plate.
Currently still in my car, has about 12k on it since the swap. Tracked a bit but not abused (no engine mods, and no drag launches), and changed fluid once already.
$2500
Last edited by Fab4Fun; 04-30-2016 at 09:27 AM.
Reason: price drop
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