It'll be pretty tight on # 4 and 6 I think but it should work with (as Zippy said) a couple of well placed 'dings' with the back of a ball peen hammer.

WIZE

World's Quickest Diahatsu Rocky (??) 414" Stroker Small block Mopar Powered. 10.84 @ 123...and gettin' quicker!

https://www.youtube.com/watch?v=-mWzLma3YGI

In Car:

https://www.youtube.com/watch?v=PjXcf95e6v0