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NAPA Chassis balljoint
They are basically the same as a non-greasable balljoint with grooves for and grease fitting added. Even with the grease grooves, it still adds much better surface area to the ball for much better ability to resist wear and impact. also has fewer parts to wear out.
Even tho there are grease fittings added, its recommended not to use them as it will corrupt the seal. It was only added because customers who don't know the difference between greasable and non-greasable joints demanded them
I have used Moog joints in my trucks many times and have seen many problems with them and they never last very long. Ever since I switched to these Napa chassis joints they have lasted many times longer and still have yet to show wear.
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