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> Underdrive pulleys for a 1999 vortec 5.7 Suburban
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Underdrive pulleys for a 1999 vortec 5.7 Suburban
04-01-2008, 07:25 PM
Does anyone know if these are available and if so would it be a good idea for my 4x4.
04-02-2008, 12:30 AM
Not worth it. Get a custom tune.
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