GM

6L80, 6L90 (258mm), Multi-Plate Performance Torque Converter

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0
Zip Kits

JMBX Performance Converter Kit GM-RK-688

Street/Strip applications only. For use with GM 258mm early-style stators only.

  • Transmission Unit: 6L80, 6L90
  • Core: GM 258mm
  • Dampered: No
  • Lockup: Multi-Plate
  • Unit Size: 300mm
  • Clutch Material: HTE
  • Turbine Hub Input Spline Count: 36
Zip Kits

JMBX Performance Converter Kit GM-RK-688WC

Street/Strip applications only. For use with GM 258mm early-style stators only.

  • Transmission Unit: 6L80, 6L90
  • Core: GM 258mm
  • Dampered: No
  • Lockup: Multi-Plate
  • Unit Size: 300mm
  • Clutch Material: Woven Carbon
  • Turbine Hub Input Spline Count: 36
1
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Hub Cover MI-HC-B

  • Material: Plastic
  • Color: Black
  • For Hub Dia.: 1-3/4"
  • Length: 1.500"
2
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Impeller Hub GM-90CM-68MR

  • Hub Mount: Flanged
  • Material: Chromoly
  • Pump Drive Style: Slots
  • Assembled Height: 2.370"
  • Flange Outer Dia.: 3.930"
  • Height: 2.510"
  • Journal Dia.: 1.829"
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Impeller

4
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Thrust Bearing GM-N-26

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Inner Dia.: 2.517"
  • Thickness: 0.239"
  • Outer Dia.: 3.577"
5
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Shim GM-WS-54

  • Material: Steel
  • Inner Dia.: 2.516"
  • Outer Dia.: 3.188"
  • Thickness: 0.030"
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Shim GM-WS-53

  • Material: Steel
  • Inner Dia.: 2.516"
  • Outer Dia.: 3.188"
  • Thickness: 0.020"
6

Snap Ring

7

Sprag Cartridge

7.1
Zip Kits

Mechanical Diode® GM-MD-6-2

Use of this mechanical diode requires a 3.25" bore stator such as the Opel or Sonnax GM-ST-082 or GM-ST-086.

  • Material: Steel
  • Spline Tooth Count: 36
  • Design Strut Count: 10
  • Engagement Strut Count: 2
8

Stator

9
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Thrust Bearing GM-N-11

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Inner Dia.: 2.500"
  • Thickness: 0.150"
  • Outer Dia.: 3.391"
10
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Rivet FS-RV-1L

20 Required

  • Rivet Type: Solid
  • Rivet Head: Flat
  • Head Dia.: 0.312"
  • Shank Dia.: 0.165"
  • Length: 0.530"
11

Turbine

12
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Turbine Hub GM-HTCM-688R

  • Material: Chromoly
  • Core: 258mm
  • Internal Spline Tooth Count: 36
  • External Spline Tooth Count: 68
13

O-Ring

14
Zip Kits

Seal FD-O-9

  • Material: PTFE
  • Seal Style: Scarf cut
  • Width: 0.099"
  • Height: 0.094"
  • Outer Dia.: 2.772"
15

Piston

16
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Clutch Plate GM-CP-2

For use with GM-RK-685 or GM-RK-688

  • Tab Style: External
  • Material: HTE
  • Outer Dia.: 10.080"
  • Inner Dia.: 8.125"
  • Thickness: 0.141"
17
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Clutch Plate GM-CP-1

For use with GM-RK-685 or GM-RK-688

  • Tab Style: Internal
  • Material: HTE
  • Outer Dia.: 9.790"
  • Inner Dia.: 7.587"
  • Thickness: 0.181"
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Thrust Washer BW-WP-4

  • Material: Vespel®
  • Thickness: 0.062"
  • Inner Dia.: 1.427"
  • Outer Dia.: 2.185"
19

Front Cover

20
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Pilot GM-PI-23

In GM-RK-688, GM-RK-688WC

  • Material: Steel
  • Pilot Type: Weld-in
  • Outer Dia.: 1.703"
  • Length: 0.890"
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