GM

4L80-E, 4L85-E, Multi-Plate Performance Torque Converter

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265mm for 4l80
0
Gm rk 485wc in combo

Performance Converter Kit GM-RK-485WC

Street/Strip applications only.

  • Unit Size: 265mm
  • Core: GM 265mm
  • Dampered: No
  • Lockup: Multi-Plate
  • Clutch Material: Woven Carbon
  • Transmission Unit: 4L80-E, 4L85-E
  • Turbine Hub Input Spline Count: 35
Gm rk 488wc in combo

Performance Converter Kit GM-RK-488WC

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

  • Dampered: No
  • Lockup: Multi-Plate
  • Clutch Material: Woven Carbon
  • Unit Size: 258mm
  • Core: GM 258mm
  • Transmission Unit: 4L80-E, 4L85-E
  • Turbine Hub Input Spline Count: 35
Gm rk 488 in combo

Performance Converter Kit GM-RK-488

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

  • Unit Size: 258mm
  • Core: GM 258mm
  • Dampered: No
  • Lockup: Multi-Plate
  • Clutch Material: HTE
  • Transmission Unit: 4L80-E, 4L85-E
  • Turbine Hub Input Spline Count: 35
Gm rk 485 in combo

Performance Converter Kit GM-RK-485

Street/Strip applications only.

  • Unit Size: 265mm
  • Core: GM 265mm
  • Dampered: No
  • Lockup: Multi-Plate
  • Clutch Material: HTE
  • Transmission Unit: 4L80-E, 4L85-E
  • Turbine Hub Input Spline Count: 35
1
Mi hc r

Hub Cover MI-HC-R

  • Material: Plastic
  • Color: Red
  • For Hub Dia.: 2"
2
Gm 90cm 48mr

Impeller Hub GM-90CM-48MR

  • Hub Mount: Flanged
  • Material: Chromoly
  • Pump Drive Style: Flats
  • Assembled Height: 2.990"
  • Flange Outer Dia.: 3.930"
  • Height: 3.130"
  • Journal Dia.: 1.998"
3
Impeller
4
Gm n 26

Thrust Bearing GM-N-26

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Inner Dia.: 2.517"
  • Thickness: 0.239"
  • Outer Dia.: 3.577"
5
Gm ws 53

Shim GM-WS-53

.020" Thick

  • Material: Steel
  • Inner Dia.: 2.516"
  • Outer Dia.: 3.188"
  • Thickness: 0.020"
Gm ws 54

Shim GM-WS-54

.030" Thick

  • Material: Steel
  • Inner Dia.: 2.516"
  • Outer Dia.: 3.188"
  • Thickness: 0.030"
6
Snap Ring
7
Sprag Cartridge
8
Stator
9
Gm n 11

Thrust Bearing GM-N-11

  • Bearing Style: Enclosed
  • Material: Hardened Steel
  • Inner Dia.: 2.500"
  • Thickness: 0.150"
  • Outer Dia.: 3.391"
10
Fs rv 1l

Rivet FS-RV-1L

20 Required, used in 258mm performance applications only

  • Rivet Type: Solid
  • Rivet Head: Flat
  • Head Dia.: 0.312"
  • Shank Dia.: 0.165"
  • Length: 0.530"
11
Turbine
12
Gm htcm 488r

Turbine Hub GM-HTCM-488R

  • Core: GM 258mm
  • Material: Chromoly
  • Internal Spline Tooth Count: 35
  • External Spline Tooth Count: 68
Gm htcm 485r

Turbine Hub GM-HTCM-485R

  • Core: 265mm
  • Material: Chromoly
  • Internal Spline Tooth Count: 35
  • External Spline Tooth Count: 68
13
O-Ring
14
Fd o 9

Seal FD-O-9

  • Material: PTFE
  • Seal Style: Scarf cut
  • Width: 0.099"
  • Height: 0.094"
  • Outer Dia.: 2.772"
15
Piston
16
Gm cp 2

Clutch Plate GM-CP-2

  • Tab Style: External
  • Material: HTE
  • Outer Dia.: 10.080"
  • Inner Dia.: 8.125"
  • Thickness: 0.141"
17
Gm cp 1

Clutch Plate GM-CP-1

  • Tab Style: Internal
  • Material: HTE
  • Outer Dia.: 9.790"
  • Inner Dia.: 7.587"
  • Thickness: 0.181"
18
Bw wp 1 single

Thrust Washer BW-WP-4

  • Material: Vespel®
  • Thickness: 0.062"
  • Inner Dia.: 1.427"
  • Outer Dia.: 2.185"
19
Front Cover
20
Gm pi 22

Pilot GM-PI-22

For GM Gen. 1 engines, In GM-RK-485, GM-RK-485WC, GM-RK-488, GM-RK-488WC

  • Material: Steel
  • Pilot Type: Weld-in
  • Outer Dia.: 1.703"
  • Length: 0.430"
Gm pi 21

Pilot GM-PI-21

For late LS engines

  • Material: Steel
  • Pilot Type: Weld-in
  • Outer Dia.: 1.703"
Gm pi 23

Pilot GM-PI-23

For Gen. III (LS) engines

  • Material: Steel
  • Pilot Type: Weld-in
  • Outer Dia.: 1.703"
  • Length: 0.890"
21
B78

Hex Head Screw B78

  • Bolt Head: Flange
  • Bolt Spec: M10-1.50 x 15mm