Shift boot fitment issues?

[damesta]

Having problems with the rubber shift boot on my 70' 521. So I originally ordered the one they sell on ebay listed for the 521 and it was pretty much the same size as the hole and wouldn't stay in. So then I did some research and found pn 74963-15800, so found one NOS and ordered it. It fits the hole fine but every time I shift into reverse it pops the boot out of the hole...seems like it needs a bigger lip holding it in or softer rubber maybe, I heated it and it was a little better but pops right out as soon as its back down to ambient air temps. Anyone else had these problems? Are there any other pn's or boots to try that would fit the hole? I'm trying to stay away from a generic screw down universal boot if possible.

[d.p]

Same problem and haven’t found a solution to it yet.  

[DanielC]

Try your local Nissan dealer.  Part number 74963-15800

[mainer311]

Daniel, those are discontinued.

[Greaser2]

Same issue for me. Bought one of eBay and it was actually a bit smaller. Figure I will need to mod something.

[dat521gatherer]

You can try tightening the shift linkage. I improved over an inch of swing.

https://ratsun.net/topic/26981-my-new-521/page/3/

[datzenmike]

This link works. Near the bottom of the page.