Here you have one BSA Rockerbox Head steady kit. This kit has been made from stainless steel including all the nuts and washers. 

This kit is fitted to the top of the rocker box and connects to the main frame tube under the petrol tank.


The kit contains the following parts:

1 X 15-2018 Frame locating bolt (shorter 5/16 BSCY)

2 X 24-6040 5/16 BSCY nut

2 X 36-0382 Spring washer

1 X 42-0051 Spacer tube

1 X 42-0052 L/H Rockerbox stay bracket 

1 X 42-0053 R/H Rockerbox stay bracket

2 X 42-0055 Frame stay bracket

1 X 42-0056 Spacer bolt (longer 5/16 BSCY)


Finish: Polished - Tumbler - Each of the parts has had at least 3 hours in our tumbler, this gives them a good finish, please see photos! The finish is not "chrome" or "show finish".


CPC's Own improved version! - we have modified the 42-0051 Spacer tube, that originally was nothing more than a piece of pipe. This has now been replaced with this with a turned spacer that is not only stronger but looks better! please see the attached photo.


These parts will fit any "A" bike from 1954 to 1962 this includes the following models:

A7, A10 and Rocket Gold star (RGS)

This Assembly may fit other models but please check your part numbers.


This item is made using CNC manufacturing in England by CPC Engineering with high-quality stainless steel.

42-0055 - Head steady kit

  • Brand: BSA
  • Product Code: 42-0055 - Head steady kit
  • Availability: In Stock
  • £36.00

  • Ex Tax: £30.00

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