February 26, 2006
Upgrading the Cummins Roller Clutch
Mark Mustard
0
Performance Converter Kit CH-RK-4
- Unit Size: 10"
- Core: GM 245mm
- Dampered: No
- Lockup: No
- Transmission Unit: 727
- Turbine Hub Input Spline Count: 24
Performance Converter Kit CH-RK-3
- Unit Size: 10"
- Core: GM 245mm
- Dampered: No
- Lockup: No
- Transmission Unit: A904
- Turbine Hub Input Spline Count: 27
1
2
Impeller Hub CH-90-16BG
A727
- Pump Drive Style: Slots
- Hub Mount: Butt Mount
- Material: Hardened Steel
- Assembled Height: 2.188"
- Journal Dia.: 1.875"
Impeller Hub CH-90-2BG
A904
- Pump Drive Style: Slots
- Hub Mount: Butt Mount
- Material: Hardened Steel
- Assembled Height: 2.062"
- Journal Dia.: 1.500"
Impeller Hub CH-90-6BG
A904
- Pump Drive Style: Slots
- Hub Mount: Butt Mount
- Material: Hardened Steel
- Assembled Height: 2.100"
- Journal Dia.: 1.500"
Impeller Hub CH-90-16G
A727
- Hub Mount: Through Mount
- Pump Drive Style: Slots
- Material: Hardened Steel
- Assembled Height: 2.250"
- Journal Dia.: 1.875"
Impeller Hub CH-90-2G
A904
- Hub Mount: Through Mount
- Pump Drive Style: Slots
- Material: Hardened Steel
- Assembled Height: 2.125"
- Journal Dia.: 1.500"
3
Impeller
4
5
Thrust Washer CH-WB-1
- Material: Bimetal
- Tang Count: 4 Bent, External
- Thickness: 0.062"
- Inner Dia.: 1.961"
- Outer Dia.: 2.937"
6
7
Stator
8
Retainer
9
Stator Cam
10
Accordion Spring CH-S-1
8 Required
- Width: 0.600"
- Relaxed Height: 0.315"
- Fold Count: 4
- Relaxed Length: 0.430"
Accordion Spring CH-S-1HP
8 Required, high performance
- Width: 0.600"
- Relaxed Height: 0.310"
- Fold Count: 5
- Relaxed Length: 0.430"
11
12
Inner Stator Race CH-HR-1
A727
- Material: Hardened Steel
- Length: 1.040"
- Internal Spline Tooth Count: 27
- Outer Dia.: 1.939"
13
Stator Cap CH-WA-6
Use with CH-WB-2 bi-metal upgrade
- Material: Aluminum
- Total Thickness: 0.219"
- Inner Dia.: 1.500"
- Outer Dia.: 3.375"
- Functional Thickness: 0.219"
-
Tooling:
- CH-WB-2
Stator Cap CH-WA-10
OE style
- Material: Aluminum
- Outer Dia.: 3.375"
- Inner Dia.: 1.500"
- Total Thickness: 0.281"
- Functional Thickness: 0.281"
14
Snap Ring
15
Rivet CH-RV-1
12 Required
- Rivet Type: Hollow
- Rivet Head: Flat
- Head Dia.: 0.500"
- Shank Dia.: 0.250"
- Length: 0.500"
16
Turbine
17
Turbine Hub CH-HT-2
Requires CH-B-2 bushing
- Material: Steel
- Internal Spline Tooth Count: 26
-
Tooling:
- CH-B-2
18
19
20
21
22
Piston Plate
23
24
Thrust Bearing CH-N-8
- Bearing Style: Enclosed
- Material: Hardened Steel
- Inner Dia.: 1.391"
- Thickness: 0.138"
- Outer Dia.: 2.638"
24.1
24.2
Thrust Washer CH-WF-3
Replaces thrust bearing, .020" thicker than OE bearing
- Material: Fiber
- Thickness: 0.160"
- Inner Dia.: 1.390"
- Outer Dia.: 2.560"
Thrust Washer CH-WF-4
Replaces thrust bearing, .010" thinner than OE bearing
- Material: Fiber
- Thickness: 0.130"
- Inner Dia.: 1.390"
- Outer Dia.: 2.560"
Thrust Washer CH-WF-5
Replaces thrust bearing, same thickness as OE bearing
- Material: Fiber
- Thickness: 0.140"
- Inner Dia.: 1.390"
- Outer Dia.: 2.560"
25
26
Front Cover CH-CC-4
For 3.9L & 5.2L Chrysler 10-3/4" LU applications. Can be used for 5.9L (Early ‘92–‘95) applications when used with balance weight [CH-WT-103].
- Material: AISI 1026 steel
- Machining Process: Fully Machined Forging
- Surface Finish: Bond
Front Cover CH-CC-6
5.9L
- Material: AISI 1026 steel
- Machining Process: Fully Machined Forging
- Surface Finish: Bond
27
Ring Gear CH-RG-130T
Chrysler 10-3/4" TF-8, 12"
- Tooth Count: 130
- Chamfer: None
- DP/Module: 10
- Thickness: 0.375"
- Inner Dia.: 12.162"
- Outer Dia.: 13.195"
Ring Gear CH-RG-130
Chrysler 10-3/4 TF-8, 10-3/4"
- Tooth Count: 130/131
- Chamfer: None
- DP/Module: 10
- Thickness: 0.340"
- Inner Dia.: 11.190"
- Outer Dia.: 13.195"
Ring Gear CH-RG-122
Chrysler 10-3/4" (LU & NLU) TF6/904, A500 TF-6
- Tooth Count: 122
- Chamfer: RH
- DP/Module: 10/12
- Thickness: 0.350"
- Inner Dia.: 11.190"
- Outer Dia.: 12.276"
28