Sonnax 10-Clutch Piston, GM, Powerglide, Each - SONNAX

Description

Sonnax 10-clutch piston 28765-05 is optimized for Powerglide performance applications and machined specifically for use with Sonnax 10-clutch drums 28756-01 and 28756-08. These drums feature a piston bore that is .060" deeper for greater piston travel than was available from 10-clutch drums 28755-01 and 28755-08 (discontinued).
Using the patented Sonnax 10-clutch drum system, the piston accepts 10 frictions and 10 steels, increasing lockup surface to allow significantly more torque than modified OE drums.

Piston holds 10 .060" frictions and 10 .060" thick steels
6061 Forged aluminum piston will not crack at high operating pressure like cast pistons

Description

Sonnax 10-clutch piston 28765-05 is optimized for Powerglide performance applications and machined specifically for use with Sonnax 10-clutch drums 28756-01 and 28756-08. These drums feature a piston bore that is .060" deeper for greater piston travel than was available from 10-clutch drums 28755-01 and 28755-08 (discontinued).
Using the patented Sonnax 10-clutch drum system, the piston accepts 10 frictions and 10 steels, increasing lockup surface to allow significantly more torque than modified OE drums.

Piston holds 10 .060" frictions and 10 .060" thick steels
6061 Forged aluminum piston will not crack at high operating pressure like cast pistons

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