Sonnax Powerglide 1.82 Ratio Ring Gear Stabilizer Kit 28510-S1
Vibration at high speeds and broken Reverse friction plates occur in GM Powerglides when the poorly supported planetary ring gear moves off the transmission center line, oscillating out of control.
Ring gear stabilizer kit 25810-S1 installs easily on Sonnax bolt-together, 1.82 OEM ratio planetary carriers. With proper support, the ring gear stays on-center, significantly reducing vibration and drag while preventing wear and short pinion gear stress.
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