Sonnax Heavy-Duty Tall Reverse Piston for Powerglide – Billet Aluminum

Description

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The SON-258761-01K is a heavy duty Powerglide reverse piston machined from 6061 billet aluminum and supplied by Sonnax.  This piston is designed and machined as what we would consider a tall piston, measuring 1.150” tall.  In its as supplied state, it is designed to be used with a clutch pack that contains four-friction disk and five steels.    The piston can be machined to suit a clutch pack with five to six clutch disks.  Sonnax supplies this piston with a new inner and outer sealing ring.

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