A65 carb studs/nuts and 389 monobloc air filter

[Gordonh]

Hi can anyone tell me the size and thread of the four nuts that hold the carbs on ,also if I fit pancake air filters to my monoblocs should they be offset or centre fit.Thankyou.

[Bess]

Hi,
    If you have the 1966 Hornet:

Air filter 68-4633, central screw on
Stud 68-0018, nut 5/16 CEI

Best wishes...

[Gordonh]

Thankyou