Slide A Links are made for manual transmission tranny's for Strip cars or street cars. If you do a lot of street driving - you will DEFINITELY get a better "ride" from Slide A Link
Cal - Tracs are more for strip only. And are more adjustable. Great for Automatic strip cars.
Both work fine in their intended use.
If you have a 2nd gen F-Body.... you don't need much of anything unless you are faster then 10's
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