Alternative Supplier for 4AGE 20V valve shims...

[Project D]

For the 16v, the 25mm shims are fairly available.
All these bikes use the same kind of shims:

[code:1:30fe1d27a7]Honda:
(79-83) CB750, CB750C, CB750F, CB750K, CB750SC dohc
CB900, CB900C, CB900F, CB1000C, CB1100F, CBX (all)

Triumph:
Hinckly triples and fours
Speed Triple, Tiger, Daytona, Trophy, Sprint

Yamaha:
SRX250, XT250
(86-00) TT350 XT350
(92-98) XJ600 Seca II
(83-93) XVZ12 XVZ13 Venture Royale Royal Star XVZ1200 XVZ12
(85-02) VMX1200 V-Max Vmax VMX12
(84-93) FJ1100, FJ1200[/code:1:30fe1d27a7]

Anyway, thanks jondee86, I didn't know Precision shims but they makes 8mm shims, which are fairly hard to find (I just wonder how much they ask for them)