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pulley & intake
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09-23-2013, 11:56 PM
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TripleBlkZL1
Drives: 18 ZL1 A10 & 18 2500HD Duramax
Join Date: Oct 2012
Location: Chicago, IL
Posts: 733
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IMO Roto-Fab is the best intake for the ZL1.. I'm running the 2.55" upper pulley with a 100mm idler pulley. No belt slippage at all.
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Procharged 2018 ZL1 A10
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