I can't tell you for sure but the k85 fits. It is not much smaller that your engine. The pics I have seen have plenty of length room. At worst you would have to remove an 1/8" per side to get the diameter fit.

K-85
Specifications:
Diameter: 82mm ( 3.22" )
Length: 228mm ( 8.97")
Weight: 880g (1 lb 14oz)