I'm installing my new 65lb injectors that I got from Bone. The length is correct. But, I'm concerned that the old ones (right) have a 3/8" long shaft at the bottom and the new ones (left) dont. Also at the bottom of the old ones there is only one spray hole and the new ones have four. Those that have changed there injectors, what do they look like and did your stocks have that shaft at the bottom? Okay to use?
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