Metal Steels

TH400 4L80E Forward Clutch Kolene Steel Plate .078" Thick (1965-UP)

This is a high performance Kolene coated forward clutch steel plate for GM's Turbo 400 and 4L80E automatic transmissions. .078" Thick

TH400 4L80E Forward Direct Kolene Coated Steel Plate .090" Thick (1968-UP)

This is a high performance Kolene coated forward/direct clutch steel plate for GM Turbo 400 and 4L80E automatic transmissions manufactured from 1968 and up. .090" Thick

4L80E Overrun Clutch Steel Plate (1991-UP) 8661569

This is a new made in the USA overrun clutch steel plate for GM's 4L80E automatic transmissions manufactured from 1991 and up. 0.099 / 2.51'' Thick 4.539'' ID 3 Used in typical 4L80E Rebuild OEM Part Number: 8661569

4L80E 4th Clutch Steel - Non-Turbulated (1991-UP) 8661579

This is a new non-turbulated steel plate for 4L80E transmission 4th clutch plack.  Used on 4L80E manufactured from 1991 and up. 0.099 / 2.51'' Thick 8-Tooth 6.30'' ID 4-Used in typical 4L80E rebuild OEM Part Number: 8661579

4L80E Intermediate Clutch Performance Powerpack

GM 4L80E Transmission Intermediate Clutch High Performance Powerpack Made in the USA by Alto Products Corp Contents (5) 31742A (.060” / 1.52) Red Eagle® Friction Plates (5) 031705HK160 (.063” / 1.60mm) Kolene® Turbulator® Steel...

4L80E Intermediate Clutch Powerpack

GM 4L80E Transmission Intermediate Clutch Powerpack Made in USA by Alto Products Corp Contents (5) 031714-152 (.060” / 1.52mm) Friction Plates (5) 31705-160 (.063” / 1.60mm) Steel Plates (1) 028252-106 (.106” / 2.69mm) Heavy...

TH400 4L80E Direct Clutch Powerpack

Turbo 400 & 4L80E Direct Clutch Performance Powerpack Made in the USA by Alto Products Corp Contents (7) 031740A (.061” / 1.54mm) Red Eagle® Friction Plates (7) 031701AK (.060” / 1.52mm) Kolene® Steel Plates (1) 031761A939 (...

4L80E Forward Clutch Powerpack

GM 4L80E Transmission Forward Clutch Powerpack Made in the USA by Alto Products Corp Contents (7) 031740A Red Eagle® Friction Plates (.061” / 1.54mm) (6) 031701AK Kolene® Steel Plates (.060” / 1.52mm) (1) 031711-325 Bottom...

TH400 4L80E Intermediate Steel Plate - Waved 0.070'' (1965-1998) 8624199

This is a high quality waved metal steel for the intermediate clutch pack in GM TH400 and 4L80E automatic transmissions manufactured from 1964 to 1998. 0.070'' Thick OEM Part Number: 8624199

4L80E Performance KOLENE® Steel Module (1991-UP)

4L80E Performance Kolene Coated Steel Module(Module may be Raybestos or Alto depending on availability). Kolene® plates are higher heat resistant and offer increased lubricity. Kolene® is a registered trademark of the Kolene Corporation...

4L80E High Performance Steel Module (1990-UP)

 This is a new set of high quality metal steel plates used on 4L80E automatic transmissions.