Z/28 engine pulleys OEM vs. aftermarket

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Z/28 engine pulleys OEM vs. aftermarket

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08-12-2025, 09:15 PM

dasleck dasleck is offline

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Join Date: Apr 2009

Location: high point, nc.

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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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