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ALTO 8L90 Performance Transmission Clutch & Steel Modules (Added Clutch Capacity)

Instructions are included. However, if you're inexperienced with the 8L90 we recommend that you purchase a Service Manual. We also sell the manual. | FREE UPS Ground to the contiguous United States (lower 48)
Availability: In stock
In stock items ship within 1-2 business days.
Picture for representation purposes only. Actual contents may vary as we continue to develop our products.
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$1,395.00
SKU: ALTO-FSM/8L90-P

(5) CLUTCH PACKS

  • C1 1-2-7-8-R
    • (4) Clutches
    • (3) Steel Plates
    • (1) Wave Plate
    • (1) Apply Plate
    • (1) Backing Plate

This is the latest design OEM clutch pack from GM - it includes the (3) thicker steels to help with heat dissipation and warpage. 

  • C2 1-2-3-4-5-R
    • (3)  Clutches
    • (2)  Steel Plates
    • (1)  Apply Plate

Stock clutch capacity.

  • C3 1-3-5-6-7 CDT Modified Alto Power Pack  
    • (6)  G3® Friction Plates
    • (7)  Steel Plates (varying thicknesses)
    • (1)  Backing Plate

Adds 1 additional clutch to either a 4-clutch or 5-clutch drum. G3® friction material is formulated to achieve minimal wear and maximize heat resistance.

  • C4 2-3-4-6-8 CDT Modified Alto Power Pack
    • (6)  G3® Friction Plates
    • (7)  Steel Plates (varying thicknesses)
    • (1)  Apply Plate
    • (1)  Backing Plate

Adds 1 additional friction while retaining the wave plate OR adds 2 additional frictions while omitting the wave plate. G3® friction material is formulated to achieve minimal wear and maximize heat resistance.

  • C5 4-5-6-7-8-R CDT Modified Alto Power Pack
    • (5)  G3® Friction Plates
    • (6)  Steel Plates (varying thicknesses)
    • (1)  Backing Plate
    • (1) Snap Ring

Adds an additional clutch and steel while retaining the factory wave plate. G3® friction material is formulated to achieve minimal wear and maximize heat resistance.