• CP4400
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CP4400 - Bulkhead Mounted Master Cylinder

CP4400 - Bulkhead Mounted Master Cylinder

CP4400-88PRM135E

€320.52 €394.24
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  • Feature Icon 25.4mm (1.00") Full Stroke
  • Feature Icon Cast Aluminium Alloy Body
  • Feature Icon Bulkhead Mounting
  • Feature Icon Suitable for Brake and Clutch Applications
Bore Diameter
Push Rod Threads
Push Rod Length
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CP4400 - Bulkhead Mounted Master Cylinder

A compact master cylinder which has been designed with a 'centre lock' bulkhead fixing (10mm to 22mm Max) to meet the installation requirements of composite structure racing cars. The inlet and outlet ports are positioned at the end of the master cylinder, away from the bulkhead, to provide clearance for steering racks etc. where required.

Features:

  • Cast Aluminium Alloy Body
  • Extra short travel to cut-off
    • 0.48 - 0.63mm (0.019" - 0.025")
  • Bulkhead mount push type
  • 10 Available bore sizes
  • Hydraulic threads are imperial.

Master Cylinder Identification:

All AP Racing master cylinders have their part number nominal bore size laser marked on the body together with batch codes enabling full manufacturing traceability.  All master cylinders also have a coloured tie wrapped around the body for quick visual identification of bore size.

Technical Details:

Bulkhead Thickness 22.00mm (Max)
Bulkhead Hole (req'd) Ø32.00mm (Min)
Weight 0.29 Kg (0.64lbs)
Full Stroke 25.40mm (1.00")
Travel to Cut-off 0.48mm - 0.63mm (0.019" - 0.025")
Hydraulic Thread
- Inlet 7/16" x 20 UNF
- Outlet 3/8" x 24 UNF
Push Rod Threads
- PRT 5/16" UNF
Push Rod Length from Mounting Flange
- PRT135 135mm (5.31")
- PRT180 180mm (7.08")


CP4400 Part Numbering

 Available Bore Sizes

Cable Tie Colour

5/16" Push Rod

Repair Kit
14.0mm  BLACK  &   ORANGE  CP4400-88PRT135E
CP4400-88PRT180E		 CP2623-88RK
15.0mm  BLACK  &  RED  CP4400-89PRT135E
CP4400-89PRT180E
 CP2623-89RK
15.9mm | (0.625") | 5/8"  BLACK  CP4400-90PRT135E
CP4400-90PRT180E
 CP2623-90RK
16.8mm  BLACK  &  YELLOW  CP4400-905PRT135E
CP4400-905PRT180E
 CP2623-905RK
17.8mm | (0.700")  BLUE  CP4400-91PRT135E
CP4400-91PRT180E
 CP2623-91RK
19.1mm | (0.750") | 3/4"  GREEN  CP4400-92PRT135E
CP4400-92PRT180E
 CP2623-92RK
20.6mm | (0.812") | 13/16"  ORANGE  CP4400-93PRT135E
CP4400-93PRT180E
 CP2623-930RK
CP2623-930PRK
22.2mm | (0.875") | 7/8"  RED  CP4400-94PRT135E
CP4400-94PRT180E
 CP2623-94RK
23.8mm | (0.937") | 15/16"  WHITE  CP4400-95PRT135E
CP4400-95PRT180E
 CP2623-95RK


Installation Drawing

Replacement Parts

Description 

Part Number

Image
Captive Push Rod

5/16" x 24 UNF - 107mm Long CP2142-1
5/16" x 24 UNF - 152mm Long CP2142-13
CP2142-13
M8 x 1.25 - 115mm Long CP2142-19
M8 x 1.25 - 152mm Long CP2142-22
CP2142-22
M8 x 1.25 Locknut ME21101
5/16" x 24 UNF Locknut K24102


Additional Parts

Description 

Part Number

Image
7/16" UNF Inlet Push-on Adaptor kit for Ø5/16" Hose CP2623-30
CP2623-30
7/16" UNF Inlet Push-on Banjo Adaptor kit for Ø5/16" Hose CP2623-41
Push-on Banjo Adaptor Kit
3/8" UNF Outlet Push-on Adaptor for Ø5/16" Hose CP2623-250

3/8" O-Ring for above CP6116-109

Ø5/16" EPDM Hose

Length - 12" CP6614-103

Length - 24" CP6614-106

Length - 72" CP6614-102

Fluid Reservoirs

Remote Fit - 7/16" UNF - Short CP4709-13
CP4709-13
Remote Fit - 7/16" UNF - Medium CP4709-14
CP4709-14
Remote Fit - 7/16" UNF - Tall CP4709-15
CP4709-15
Remote Fit - 7/16" UNF - Large Capacity  CP2293-143

Brand AP Racing
Option SKU Barcode
14.00mm / M8 x 1.25 / 135mm | 5.31" CP4400-88PRM135E
14.00mm / 5/16" UNF / 135mm | 5.31" CP4400-88PRT135E
14.00mm / 5/16" UNF / 180mm | 7.09" CP4400-88PRT180E
15.00mm / 5/16" UNF / 135mm | 5.31" CP4400-89PRT135E
15.00mm / 5/16" UNF / 180mm | 7.09" CP4400-89PRT180E
15.90mm | (.625") | 5/8" / 5/16" UNF / 135mm | 5.31" CP4400-90PRT135E
15.90mm | (.625") | 5/8" / 5/16" UNF / 180mm | 7.09" CP4400-90PRT180E
16.80mm / 5/16" UNF / 135mm | 5.31" CP4400-905PRT135E
17.80mm | (.70") / 5/16" UNF / 135mm | 5.31" CP4400-91PRT135E
17.80mm | (.70") / 5/16" UNF / 180mm | 7.09" CP4400-91PRT180E
19.10mm | (0.75") | 3/4" / M8 x 1.25 / 135mm | 5.31" CP4400-92PRM135E
19.10mm | (0.75") | 3/4" / 5/16" UNF / 135mm | 5.31" CP4400-92PRT135E
19.10mm | (0.75") | 3/4" / 5/16" UNF / 180mm | 7.09" CP4400-92PRT180E
20.60mm | (.812") | 13/16" / M8 x 1.25 / 135mm | 5.31" CP4400-93PRM135E
20.60mm | (.812") | 13/16" / 5/16" UNF / 135mm | 5.31" CP4400-93PRT135E
20.60mm | (.812") | 13/16" / 5/16" UNF / 180mm | 7.09" CP4400-93PRT180E
22.20mm | (.875") | 7/8" / 5/16" UNF / 135mm | 5.31" CP4400-94PRT135E
22.20mm | (.875") | 7/8" / 5/16" UNF / 180mm | 7.09" CP4400-94PRT180E
23.80mm | (.937") | 15/16" / 5/16" UNF / 135mm | 5.31" CP4400-95PRT135E
23.80mm | (.937") | 15/16" / 5/16" UNF / 180mm | 7.09" CP4400-95PRT180E

AP Racing is the leading manufacturer of performance brake and clutch systems for road and race cars. The core product range includes clutches, callipers, discs, pads, master cylinders, pedal boxes and air jacks, as well as road and competition brake systems for motorcycles.

Being at the pinnacle of motor sport and OEM supply, numerous factors dictate the most specialised requirements for ultimate success. From the state of the art 3 dimensional solid modelling/design and Finite Element Analysis CAD facilities, to sophisticated research, development and testing including a special NVH and multiple other dynamometers that can simulate true racing speeds and the arduous of environments for road cars, AP Racing is constantly probing the boundaries of technology every working day.

Race and Rally are the official AP Racing Distributor for Northern Ireland