The Sonnax 10-clutch system increases lockup surface in GM Powerglides for significantly more torque capacity than modified OE drums. The drum and piston accept 10 .060" frictions and 10 .060" thick increasing lockup surface to allow significantly more torque than modified OE drums.
Sonnax 10-clutch drum, hub and piston kit 28756-15K includes the three essential components for building a 10-clutch drum assembly. An alternative kit, 28756-16K, includes a pump-to-drum bearing.

Patented drum, hub and piston system improves clutch capacity for maximum durability
High-strength drum with reduced rotating mass improves on-track acceleration
6061 Forged piston will not crack like cast pistons
Forged chromoly clutch hub guarantees your power makes it to the wheels

More From This Category

Sonnax Pinion Pin Kit, GM, Powerglide, Each

Sonnax Pinion Pin Kit, GM, Powerglide, Each

$166.06

Motive Gear Differential Master Bearing Kit, Koyo, For CHEVROLET SILVERADO 1500 2014–2018, Kit

Motive Gear Differential Master Bearing Kit, Koyo, For CHEVROLET SILVERADO 1500 2014–2018, Kit

$320.27

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 30.25 in. Length, 28SPL, ForD RANGER 1999–2009, Each

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 30.25 in. Length, 28SPL, ForD RANGER 1999–2009, Each

$185.09

Sonnax Vacuum Test Plate Kit Seal, GM, 4L60E, 4L65E, 4L70E, Each

Sonnax Vacuum Test Plate Kit Seal, GM, 4L60E, 4L65E, 4L70E, Each

$228.07

MANLEY Connecting Rod Pin Bushing, Bronze, 1.041 in. OD, .992 in. ID, .985 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, 1.041 in. OD, .992 in. ID, .985 in. Length, Each

$23.94

MANLEY Connecting Rod Pin Bushing, Bronze, 1.424 in. OD, 1.350 in. ID, 1.530 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, 1.424 in. OD, 1.350 in. ID, 1.530 in. Length, Each

$23.94