![CP2623 - Flange Mounted [Imperial Hydraulic Threads] - Race and Rally](http://raceandrally.com/cdn/shop/files/CP2623-96.png?v=1753179389&width=1445)
A compact forged bodied flanged master cylinder suitable for all brake and clutch applications especially where space is restricted.
Identical to CP5623 but with Imperial Hydraulic Threads.
Features:
- Forged Aluminium Alloy Body
- 50g weight saving over cast version
- Short travel to cut-off
- 10 Available bore sizes
- Non Captive Cylinders available
- Hydraulic threads are imperial.
Technical Details

CP2623 Part Numbering

Installation Drawing

Repair Kits
Each repair kit is in accordance to Bore Diameter of Master Cylinder:
- Ø14.00mm Bore - CP2623-88RK
- Ø15.00mm Bore - CP2623-89RK
- Ø15.90mm Bore - CP2623-90RK
- Ø16.80mm Bore - CP2623-905RK
- Ø17.80mm Bore - CP2623-91RK
- Ø19.10mm Bore - CP2623-92RK
- Ø20.60mm Bore - CP2623-93RK
- Ø22.20mm Bore - CP2623-94RK
- Ø23.80mm Bore - CP2623-95RK
- Ø25.40mm Bore - CP2623-96RK
| Brand | AP Racing | |
|---|---|---|
| Option | SKU | Barcode |
| 15.90mm | (.625") | 5/8" / 5/16" x 24 UNF / 160mm | 6.30" | CP2623-90PRT160 | |