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Originally Posted by MT's#1Customer!
Can someone school me on LCA's and UCA's? How they work? Installation?
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the uppers control side to side movement while the lowers control up and down...the lowers reduce wheel hop. I have the FRPP uppers and couldn't tell a difference between them and stock when I replaced them, so I would suggest saving your money there. The biggest difference I felt was from the LCAs. I went with a copy of the MM LCAs (Pro3i), which saved me about a hundred bucks.