CP8642 - Ø184mm (7¼") - Non Preferred - Twin Plate - 6 Bolt

CP8642 - Ø184mm (7¼
Typical Applications:
- WRC.
- Touring Car

Features:
- New Assymetric designed cover.
- offers 10% reduction in weight and increased stiffness..
- Benefits from a new drive system, featuring drive tenons, which locate into internal jaws of the lugs.
- five times more durable than conventional clutch design when subjected to the same test parameters.
-  eradicates distorting of pressure plates trapping on lugs.
- Push Type.
- Stepped
Flywheel Fixing.
Inner diameter location.
- 6 bolt, one piece forged cover and lugs.
machined from aluminium alloy. Allows dust and debris to escape.
- Driven plate thickness - New = 7.11mm.
- Black hard anodised.
- New innovative wear plate design fitted.
- combats wear on the drive lugs.

- Very low wear rate.
- Individually tested

match machined, balanced and clutch load recorded
- Mounting studs available, CP4703.

NOTE: Alternative Standard Lug Type.

Interchangeable with CP7382 standard lug type clutch.

Part Numbers:
- CP8642-CH80-SF.
- CP8642-OH80-SF.
Torque Capacity Nm (lbs/ft)- CP8642-CH80-SF = 636 (469)
- CP8642-OH80-SF = 421 (310)
Release Load - Max Peak New - N- CP8642-CH80-SF = 3500
- CP8642-OH80-SF = 2400
Release Load - Max Peak Worn - daN- CP8642-CH80-SF = 4400
- CP8642-OH80-SF = 3300
Clutch "Wear In"0.75mm
Set-up Height - New- CP8642-CH80-SF = 35.63mm / 33.17mm
- CP8642-OH80-SF = 35.44mm / 32.98mm
Set-up Height - Max Worn- CP8642-CH80-SF = 38.32mm
- CP8642-OH80-SF = 38.13mm
Weight (Less D/Plates) Kg2.38Kg
Release Bearing- Outer race rotates - CP3457-2 or -10.
- Inner race rotates - CP3457-6
Estimated Assy Intertia - Less D/Plates (Kgm²)0.01479Kgm²
Driven Plate OptionsDriven Plate Thickness
New 7.11mm Nom.
Worn6.67mm Min.
Driven Plate Types
cp8300 type driven plate - Bonded 3 paddle x 2
CP8300-A036H - 1"x23 spline
CP8300-A026H - 7/8"x20 spline
cp8400 type driven plate - Bonded 4 paddle x 2
CP8400-A036H - 1"x23 spline
CP8400-A026H - 7/8"x20 spline
- Note:- The driven plates below are being replaced by the bonded type above.
CP2606 type driven plate
- 3 Paddle type x 2
CP2606-17 - 1"x23 spline
CP2606-18 - 7/8"x20 spline

CP3219 type driven plate
- 4 Paddle type x 2
CP3219-11 - 1"x23 spline
CP3219-3 - 7/8"x20 spline

CP4946 type driven plate
- 6 Paddle type x 2
CP4946-7 - 1"x23 spline

- Organic Face x 2
CP5386-10 - 1"x23 spline
N.B. Clutch supplied less driven plate.
Other splines available see.
-bonded driven plate chart
- cerametallic driven plate chart
Spare Parts
Main Pressure PlateCP8022-103
Intermediate Pressure PlateCP8022-102
Click on the link to download the relevant drawing
- Customer Installation Drawing