Time Away
We will be closing for Two week in Mid May Our last trading day will be Friday 8th May 2026.
Any orders placed after this date will be processed when we reopen on Monday, 25th May.
Stainless Steel Head Race Cup (PN: 66-4149)
Upgrade your classic British motorcycle with this premium CNC-machined stainless steel replacement head race cup. This precision-made upgrade over the original mild-steel item offers superior strength and greatly improved corrosion resistance.
Two of these cups are used in a standard set-up — one in the top and one in the bottom of the frame neck.
ALSO AVAILABLE AS PART OF OUR COMPLETE HEAD RACE KIT
Key Features:
Part Number: 66-4149
Material: Stainless steel
Dimensions (approximate, for identification purposes only):
- Outer Diameter (OD): 2⅛" (54 mm)
- Inner Diameter (ID): 1½" (38 mm)
Note: Measurements are approximate and taken on an unfitted part. Please verify compatibility with your model before ordering.
Compatibility: This head race cup was originally fitted to a wide range of BSA models with telescopic forks including:
A7, A10, A50 (OIF), A65 (OIF), B31, B33 and M-group models with telescopic forks.
It may also fit other models — please confirm using the part number and dimensions.
Proudly produced in Cornwall, England by CPC Engineering using precise CNC manufacturing techniques for consistent quality and performance.
66-4149 - Head race cup
- Brand: CPC Engineering
- Product Code: 66-4149
- Availability: In Stock
-
£18.00
- Ex Tax: £15.00
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