Sonnax output support shaft kit 28080K is ideal for upgrading GM Powerglide cast-iron supports used with 27-spline output shafts and essential when building a transmission from scratch. This bolt-on modification is built for racing to keep the planetary on center and prevent wear.

Provides extra support for the planetary in performance applications
High-quality roller bearing for low friction and longer life compared to OE bushing
Strong, 6061 billet aluminum dramatically reduces weight
Eliminates the provisions for the governor

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