can't find crank bolt - which MP part # should i order?

we're moving and lets just say my stock steel crank damper 1972 Chrysler 440 crank bolt went missing, no one here "remembers" where it is.........now which mopar part # do i get??? here's the ad in the catalog:
. Crank Bolt Packages

P5249557AB Crank Bolt Package — 2.25" Length
(426 Hemi, Big Block, Small Block,
Aftermarket Dampers)

P5249562 Thin Damper Crank Bolt Package —
1.25" Length (426 Hemi and Big Block)

THANKS !!!!!!

Derek

I would think the shorter of the two is for your application. .

P5249562 Thin Damper Crank Bolt Package —
1.25" Length (426 Hemi and Big Block)

never mind boys - we found it ! THANKS !