WTB 4.30 or 4.33 12 Bolt passenger car gears any date

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WTB 4.30 or 4.33 12 Bolt passenger car gears any date

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10-31-2020, 05:12 PM

lbnaz

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Just for a sanity check there is no part number on the box but the pinion is 3936481 and the ring is 3936482 and both have 9/39. Can someone verify there chevy 12 bolt. I bought them on this site a year or two ago represented as chevy 12 bolt along with other GM gears. Thanks, Larry

I found in the revised special parts book dated 3-9-72 they list part number 3961430 as ring and pinion 4.33:1 ratio

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Last edited by lbnaz; 10-31-2020 at 06:10 PM. Reason: added info and photos

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12 bolt, 8.875, gears, pinion, ring

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