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ZPAK™

ZPAK™

Enhanced Performance

ZPAK™ is the patented, single-sided clutch system that outperforms OE in torque and heat capacity without coning. For new OEM platforms, the ZPAK design can reduce the overall size of the clutch pack for a smaller, lighter assembly with greater thermal capacity. On existing designs, the single-sided plate can increase torque capacity and reduce core temperatures for a significant reduction in hot spotting and greater clutch life. ZPAK also takes the heat without coning. When used with the revolutionary GPZ friction material developed by Raybestos, the ZPAK system outperforms OE by as much as 30%. (*Mfg. Under U.S. Pat. 6,484,853 B1). Notable applications include Chrysler 68RFE, GM 6L80/6L90, and GM 4L60E.

Recommended Use:

Enhanced performance rebuilds.

ZPAK™ Increased Durability
Increased durability
ZPAK™ Greater Torque Capacity
Greater Torque Capacity
ZPAK™ Reduces Core Temperatures
Reduced core temperatures
ZPAK™ Takes the Heat Without Coning
Eliminates high-stress coning
ZPAK™ Outperforms Singled Double
Outperforms singled Double
Applications

ZPak Clutch Pack ModuleS

Use the “find parts” search located at the top of the page to find exactly what you need for your next rebuild.

RZP-008
2007-ON
Overdrive Z Pak® Clutch Pack Module
RZP-008
View
RZP-001
1988-ON
3-4 Z Pak® Clutch Pack Module
RZP-001
View
RZP-005
2006-ON
3-5 Reverse Z Pak® Clutch Pack Module
RZP-005
View
RZP-006
2006-ON, 2007-ON
4-5-6 Z Pak® Clutch Pack Module
RZP-006
View

ZPak Clutch Pack ModuleS

Use the “find parts” search located at the top of the page to find exactly what you need for your next rebuild.

68RFE Overdrive Z Pak® Clutch Pack
2007-ON
Overdrive Z Pak® Clutch Pack Module
RZP-008
View
4L60E 3-4 Z Pak® Clutch Pack
1988-ON
3-4 Z Pak® Clutch Pack Module
RZP-001
View
6L80 / 6L90 3-5 Reverse Z Pak® Clutch Pack
2006-ON
3-5 Reverse Z Pak® Clutch Pack Module
RZP-005
View
6L80 / 6L90 4-5-6 Z Pak® Clutch Pack
2006-ON, 2007-ON
4-5-6 Z Pak® Clutch Pack Module
RZP-006
View
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What's the difference between a Raybestos Powertrain Torqkit & ZPak?

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers explains how Torqkits are designed to increase the capacity of a clutch pack, and how ZPaks not only increase capacity but also are designed to create cooler temperatures during apply and reduce hot spotting of the steel clutch plates within automatic transmissions.

ZPAK™ Clutches

"The GM 4L60E 3/4 clutch ZPak is the ultimate creation and is an engineering marvel! I want to thank you for your relentless pursuit of perfec­tion in the powertrain industry. My grandfather and my dad used your powertrain products when automatic transmissions were new technolo­gies. Keep up the great work, and we'll keep those trannys changing gears with your great products."
- Rodney O.

Where to Buy