This appears to be a comon problem....
as long as you have a paypal account, cut and paste the following into a email to:
[email protected]
Could you let me know the cost, including shipping to the UK and paypal fees for the following.
1x TRF501X Damper Parts Bag #9404701
1x TRF501X V Parts (Damper Cap) #51280
1x TRF501X W Parts (Damper Piston) #51281
1x TRF501X X Parts (Damper Retainer) #51282
All the bits will be there to make 4 complete 501x shocks. Detailed assembly instructions are available on the tamiya USA website in the online 501x manual.