Torque boxes on 73 340 car?

[Mopar Tim]

My 69 'Vert has all four, was a 318 GT car.

 

[abodyjoe]

My 69 'Vert has all four, was a 318 GT car.

yup.. all rag tops were supposed to get them.

 

[MRGTX]

US Cartool makes repros

Worth installing or is there a better way to stiffen for similar money?

 

[philllyc]

I installed mine, Modifying a six cylinder into a 340 4 speed
It’s a vert 69dart For a strong motor I think the boxes are a must but they didn’t come on the six cylinder so I have no choice but the other