CP7855 Type

CP7855 Type

A high efficiency single circuit, short push type master cylinder.
Fixed through a spherical bearing and with a one piece piston / push rod it offers a significant improvement in efficiency over traditional cylinder designs.
Ranging from 14mm to 7/8" with 30mm stroke and 15/16" to 1.00" with 28mm stroke.

Note:
The following master cylinder part numbers have larger body dimensions, please check customer drawing before cylinder selection.
CP7855-93 / -94 / -95 & -96.

Features:
- Hard anodised Aluminium Alloy body.
- Compact Design.
- Extra Short travel to cut-off standard.
- One piece piston and push rod.
- Full range of 10 bore sizes.
- Rubber boots fitted as standard.
- Replaced CP5855, CP5511 and CP4411 cylinder families.

I
MPORTANT NOTES:
Engineering changes to CP5855 Master Cylinders which have been superceded by CP7855.
Repair Kits for all CP5855 bores sizes are still available, part number e.g. CP5854-88RK etc, for more information please contact AP Racing Technical Section.

 

Weight.169 to .198Kg (.37 to.44lbs)
Full Stroke- 14mm to 7/8" Bores - 30mm (1.18")
- 15/16" to 1.00" Bores - 28mm (1.1")
Travel To Cut-OffExtra Short - .48 to .63mm (.19" to .25")
Inlet Hydraulic Thread7/16" x 20UNF
Outlet Hydraulic Thread3/8" x 24UNF
Push Rod ThreadPRTE = 5/16" x 24UNF
Bore Sizes AvailablePart Numbers
14mmCP7855-88PRTE
15mmCP7855-89PRTE
15.9mm (.625") 5/8"CP7855-90PRTE
16.8mmCP7855-905PRTE
17.8mm (.70")CP7855-91PRTE
19.1mm (.75") 3/4"CP7855-92PRTE
20.6mm (.812") 13/16"CP7855-93PRTE
22.2mm (.875") 7/8"CP7855-94PRTE
23.8mm (.937") 15/16"CP7855-95PRTE
25.4mm (1.00")CP7855-96PRTE
Click on the link to download the relevant drawing
- CP7855 Customer Drawing