The late model FMJ knuckles are significantly lighter than the early knuckles. It appears that someone at Mopar finally took a class on FEM and used it on those knuckles. The weight savings isn't huge, maybe 1.5 lbs per side but it is already done for you.
i had the spindles off my car recently (FMJ spindles) and they didn't seem a like an excessively heavy part given their purpose...
another question, with the FMJ spindles being a bit taller than the A body spindles, does that equate to slightly less negative camber being dialed into the suspension?
