Sonnax Ford C6 Performance Converter Torque Converter

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Performance Converter Kit FD-RK-4

Includes Impeller Hub, Stator Race, Turbine Hub, Thrust Washer, Front Cover Bushing, Front Cover & Pilot

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: C6
Bolt Circle Dia.: 10.50"
Bolt Circle Dia.: 11.40"
Turbine Hub Input Spline Count: 31

1

Hub Cover MI-HC-R

Material: Plastic
Color: Red
For Hub Dia.: 2"

2

Impeller Hub FD-90CM-40GR

In FD-RK-4

Material: Chromoly
Hub Mount: Flanged
Pump Drive Style: Flats
Assembled Height: 3.016"
Journal Dia.: 2.000"
Flange Outer Dia.: 3.620"
Height: 3.141"

3

Impeller (GM 245mm)

4

Thrust Bearing GM-N-11

2 Required

Bearing Style: Enclosed
Material: Hardened Steel
Inner Dia.: 2.500"
Thickness: 0.150"
Outer Dia.: 3.391"

5

Shim GM-WS-3

Material: Steel
Thickness: 0.030"
Inner Dia.: 2.490"
Outer Dia.: 3.188"

Shim GM-WS-1

Material: Steel
Thickness: 0.010"
Inner Dia.: 2.490"
Outer Dia.: 3.188"

Shim GM-WS-2

Material: Steel
Thickness: 0.020"
Inner Dia.: 2.490"
Outer Dia.: 3.188"

6

Stator (GM 245mm)

7

Stator Cam (GM 245mm)

8

Accordion Spring GM-S-3A

Width: 0.380"
Relaxed Height: 0.234"
Relaxed Length: 0.450"
Fold Count: 3

9

Roll GM-RO-385

8 Required

Length: 0.385"
Dia.: 0.313"

10

Inner Stator Race FD-HR-8

GM to Ford conversion stator race In FD-RK-4

Material: Hardened Steel
Length: 0.725"
Internal Spline Tooth Count: 32
Outer Dia.: 2.156"

11

Stator Cap GM-WA-4

Material: Aluminum
Outer Dia.: 3.643"
Inner Dia.: 1.940"
Functional Thickness: 0.109"
Total Thickness: 0.234"

12

Snap Ring (GM 245mm)

13

Turbine (GM 245mm)

14

Turbine Hub FD-HTCM-18R

In FD-RK-4

Material: Chromoly
Internal Spline Tooth Count: 31

15

Bearing Race MI-N-16

Material: Hardened Steel
Thickness: 0.031"
Inner Dia.: 1.375"
Outer Dia.: 2.062"

Thrust Bearing MI-N-15

Bearing Style: Open
Material: Hardened Steel
Inner Dia.: 1.375"
Thickness: 0.078"
Outer Dia.: 2.062"

Thrust Washer FD-WP23-OE

Material: Plastic
Thickness: 0.173"
Inner Dia.: 1.380"
Outer Dia.: 2.750"

Thrust Washer FD-WP24-OE

Material: Plastic
Thickness: 0.203"
Inner Dia.: 1.380"
Outer Dia.: 2.750"

Thrust Washer FD-WP15-OE

In FD-RK-4

Material: Plastic
Thickness: 0.188"
Inner Dia.: 1.380"
Outer Dia.: 2.750"

16

Bushing CH-B-2-CP

In FD-RK-4

Material: Steel-backed alloy
Bushing Style: Precision
Housing Bore: 1.609"
Width: 0.500"
Shaft Dia.: 1.375"

17

Front Cover FD-CC-5

In FD-RK-4

Material: Steel
Bolt Circle Dia.: 10.50"
Bolt Circle Dia.: 11.40"

18

Pilot FD-PI-6

In FD-RK-4

Material: Steel
Pilot Type: Weld-in
Outer Dia.: 1.375"

Pilot FD-PI-8

For large pilot big block applications

Material: Steel
Pilot Type: Weld-in
Height: 0.214"
Outer Dia.: 1.848"

A - G

ALTERNATE ASSEMBLY (REPLACES items #4 - 12, requires machining to turbine assembly (items #13 & 14) includes aluminum stator option, which works with 8" Opel one-way clutch)

A

Shim CH-WS-8

Material: Steel
Thickness: 0.020"
Inner Dia.: 1.978"
Outer Dia.: 2.821"

Shim CH-WS-7

Material: Steel
Thickness: 0.010"
Inner Dia.: 1.978"
Outer Dia.: 2.821"

Thrust Bearing CH-N-1

2 Required

Bearing Style: Enclosed
Material: Hardened Steel
Inner Dia.: 1.900"
Thickness: 0.181"
Outer Dia.: 2.821"

B

Shim CH-WS-9

Material: Steel
Thickness: 0.030"
Inner Dia.: 1.978"
Outer Dia.: 2.821"

C

Snap Ring RR-325

D

Stator Cap GM-WA-26

Four notches

Material: Aluminum
Outer Dia.: 3.245"
Inner Dia.: 1.750"
Total Thickness: 0.250"
Functional Thickness: 0.109"

E

Clutch Eliminator GMFD-R-50

Fits stators with 3.25" bores.

Length: 0.870"
Outer Dia.: 3.250"
Spline Tooth Count: 32

Mechanical Diode® GMFD-MD-10SB

Fits stators with 3.25" bores and Ford FMX 29-tooth stator tube splines.

Internal Spline Tooth Count: 29
Design Strut Count: 10
Engagement Strut Count: 2

Mechanical Diode® GMFD-MD-1

Internal Spline Tooth Count: 32
Design Strut Count: 5
Engagement Strut Count: 1

Mechanical Diode® GMFD-MD-10S

Fits stators with 3.25" bores and Ford 32-tooth stator tube splines.

Internal Spline Tooth Count: 32
Design Strut Count: 10
Engagement Strut Count: 2

Sprag Cartridge FD-CS-2

Replaces items D-F

Material: Steel
Internal Spline Tooth Count: 32

E.1

Outer Stator Race GM-R-6

Replacement for FD-CS-2

Material: Hardened Steel
Thickness: 0.750"
Outer Dia.: 3.247"
Inner Dia.: 2.614"

E.2

Inner Stator Race FD-HR-9

Replacement for FD-CS-2

Material: Hardened Steel
Length: 0.935"
Internal Spline Tooth Count: 32
Outer Dia.: 1.958"

E.3

Stator Cap GM-WS-23

Replacement for FD-CS-2

Material: Steel
Outer Notch Count: 4
Outer Dia.: 3.245"
Inner Dia.: 1.690"
Total Thickness: 0.378"
Functional Thickness: 0.140"

Tooling:

MI-SP-4

E.4

Sprag MI-SP-4

Replacement for FD-CS-2

Sprag Drag Clip Count: 11
Sprag Element Count: 22
Race Outer Dia.: 2.614"
Race Inner Dia.: 1.958"
Width: 0.750"
Torque Capacity: 807

F

Stator Cap GM-WS-28

Four notches

Material: Steel
Outer Dia.: 3.245"
Inner Dia.: 1.750"
Total Thickness: 0.312"
Functional Thickness: 0.171"

Tooling:

GMFD-MD-1

G

Stator GM-ST-086

“086” GM 245mm blade profile

Material: Aluminum

Stator GM-ST-082

“082” GM 245mm blade profile

Material: Aluminum

Ford

C6 Performance Torque Converter

Click on any bold item to see available products.

Performance Converter Kit FD-RK-4

Hub Cover MI-HC-R

Impeller Hub FD-90CM-40GR

Impeller (GM 245mm)

Thrust Bearing GM-N-11

Shim GM-WS-3

Shim GM-WS-1

Shim GM-WS-2

Stator (GM 245mm)

Stator Cam (GM 245mm)

Accordion Spring GM-S-3A

Roll GM-RO-385

Inner Stator Race FD-HR-8

Stator Cap GM-WA-4

Snap Ring (GM 245mm)

Turbine (GM 245mm)

Turbine Hub FD-HTCM-18R

Bearing Race MI-N-16

Thrust Bearing MI-N-15

Thrust Washer FD-WP23-OE

Thrust Washer FD-WP24-OE

Thrust Washer FD-WP15-OE

Bushing CH-B-2-CP

Front Cover FD-CC-5

Pilot FD-PI-6

Pilot FD-PI-8

ALTERNATE ASSEMBLY (REPLACES items #4 - 12, requires machining to turbine assembly (items #13 & 14) includes aluminum stator option, which works with 8" Opel one-way clutch)

Shim CH-WS-8

Shim CH-WS-7

Thrust Bearing CH-N-1

Shim CH-WS-9

Snap Ring RR-325

Stator Cap GM-WA-26

Clutch Eliminator GMFD-R-50

Mechanical Diode® GMFD-MD-10SB

Mechanical Diode® GMFD-MD-1

Mechanical Diode® GMFD-MD-10S

Sprag Cartridge FD-CS-2

Outer Stator Race GM-R-6

Inner Stator Race FD-HR-9

Stator Cap GM-WS-23

Sprag MI-SP-4

Stator Cap GM-WS-28

Stator GM-ST-086

Stator GM-ST-082

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