Who made the 69 Z-28 headers question

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whitetop · #1 10-05-2003, 11:03 PM

Hello Jeff
The collectors I have are 3 1/2" in diameter and are 3 bolt. The tubes are 1 7/8 and the part number is 1305. I found an old catalog listing and they are for race applications. I placed them up against a set of Hookers for the same application and the collector itself is shorter-probably 2"or so.

Jeff H · #2 10-06-2003, 12:15 AM

I believe the GM headers(Kustom and Thomas) were 1-3/4" tubing.

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