73 340 external balance factor

Tony's right on...worked great on my brother's '73 340 build.

pretty sure it's this one...never mind...you already showed it above-yes, that's the one.

http://www.summitracing.com/parts/bmm-10235/overview/make/dodge

...and the balancer, pretty sure it was this one..

http://www.summitracing.com/parts/pfs-80012/overview/make/dodge