318 connecting rods
Contrast with the 273 rod forging number 2406782 and the 340 3418645 forging number. The 273 rod is what class racers used to use and others in 340's to lighten up the rotating assy. I've seen later 318's and 360's with the unbushed 3418645 forging number also.
Contrast with the 273 rod forging number 2406782 and the 340 3418645 forging number. The 273 rod is what class racers used to use and others in 340's to lighten up the rotating assy. I've seen later 318's and 360's with the unbushed 3418645 forging number also.