Used Steering Box Pricing?

autoxcuda said

The standard stock manual ratio is 24:1.

Mopar Performance sold a 20:1 gear set to install in a core box. Never that ratio from factory. I believe Firm Feel sells that ratio too. If someone was selling an stock aluminum box that has been converted, I'd suspect it to be roughly 50% total cost from those new cast iron 16:1 boxes.

64-69 you could get optional 16:1 ratio on A-bodies. Prices for these are many times greater than regular 24:1.

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This is correct, I have heard that the 20-1 box originated with the '64 nascar package Hemi B bodies.
I had one in a 440 Challenger years ago, bought it from Mopar Performance and had a local shop instal it in a 24-1 box I had.
It makes a worthwhile improvement for a street car, takes out one full turn lock to lock. Doesn't sound like much, but made driving the car much better over the stock 24-1 piece. I would never put a 24-1 box in a street car again!
Now if you like to autocross, forget it, too slow!