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10R80, 10R100 E Clutch GPZ Torqkit Clutch Pack
(6) GPZ Frictions, (7) 15 Tooth Steels, (1) .101 Selective Steel
10R80, 10R100 E Clutch GPZ Torqkit Clutch Pack(6) GPZ Frictions, (7) 15 Tooth Steels, (1) .101 Selective Steel
E Clutch GPZ Torqkit Clutch Pack


10R80, 10R100 E Clutch GPZ Torqkit Clutch Pack


Part No.

The Raybestos® Powertrain 10R80 E Clutch Torqkit is a performance upgrade beyond the OE design that features an increased clutch count with 6 revolutionary performance GPZ frictions, 7 Higher Quality than OE Steels with full 15 tooth count, and .101 selective steel to increase performance, durability, and towing capacity in Ford high-horsepower vehicles highlighted by the Mustang, F-150, Bronco, and Ranger.

Recommended Use:

High-stress driving, towing, or performance racing Mustang, F-150, Bronco, and Ranger 10R80 applications with increased horsepower and torque. (Also fits GM 10L80 & 10L90)

Installation Instructions

Clutch Pack Components

(6) GPZ Frictions, (7) 15 Tooth Steels, (1) .101 Selective Steel

Friction Material
Part Type:
E Clutch GPZ Torqkit Clutch Pack

Friction Material Type:

Raybestos Powertrain GPZ friction plates greatly increase transmission performance and durability. This state-of-the-art friction material far exceeds OE material to withstand high stress, high temperatures and repeated cycling. GPZ's outstanding performance benefits are perfect for heavy-duty vehicles and high-stress driving. Testing of GPZ revolutionary friction material shows that it outperforms OE materials by as much as 20%. Plus, its performance improves as the power increases. Savvy 10R80 transmission rebuilders have spent countless hours making machined modifications to the transmission drums to achieve increased clutch capacity through adding friction and steel clutch plates in each drum. On top of this time-consuming effort some builders have also chosen to machine down the thickness of the steel clutch plates to also aid in the fitment of additional friction clutch plates. Machining steel clutch plates will certainly help achieve the desired goal of fitting additional clutch plates into the D, E, and F clutch drums; however, this often causes harm to the friction clutch plates. Machining steel clutch plates can cause an abrasive steel surface finish that is unseen to the naked eye. This abrasive machined steel surface causes premature wear to the friction clutch plate that it sits against. Raybestos Powertrain’s aftermarket new product development team have combined all the performance benefits of GPZ friction material with cleverly redesigned D, E, and F clutch packs to provide 10R80 transmission rebuilders with a drop-in increased-capacity solution.

WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.

  • Increases durability of the transmission
  • Made with Raybestos GPZ material
  • Manufactured with a higher quality of steel than the steel used on the OE design
  • Reduces core temperatures
  • Increases torque capacity
  • Improves clutch life
  • Full 15 tooth steel clutch plates to hold additional power

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