It's a simple modification. If you want an underdash pull-out
("umbrella-type") handbrake lever, find a suitable item at a wrecker,
make mounts to fit it under the dash... you'll need a couple of
pulleys to run the cable around and have the cable lengthered.

I had the underdash handbrake on my 70 Toyota Crown coupe replaced
with a floor-mount (pull-up... fortunately very few nonUS-made
vehicles have those wawful foot-operated parking brakes). Lever-types
are far more ergonomic.
--
Andrew Grebneff
Dunedin
New Zealand
Fossil preparator
<andrew.grebneff@stonebow.otago.ac.nz>
Seashell, Macintosh, VW/Toyota van nut

HUMANITY: THE ULTIMATE VON NEUMANN MACHINE

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