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#1
08-12-2025, 08:15 PM
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Z/28 engine pulleys OEM vs. aftermarket
I'm asking because I don't know. Why OEM cost 300% more than copies ?
are the repro that bad ? And why do the repo ones all say not over 400 HP. and don't go over 6000 RPM . This is a 302 I'm building and want to go over 6000 RPM. Please enlighten me on pulleys I want to know. THank You 
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