Repair and prevent common concerns and save the planetary assembly by installing Sonnax output planet saver kits #104584-80K and #104584-90K for GM 6L80 and 6L90 transmissions, respectively. These kits include upgraded pinion pins to supply continuous, critical lube to the small gears.
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New Sonnax GM 6L80, 6L90 Output Planet Saver Kits
April 17, 2024
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