Richmond Gear Excel Ring & Pinion Gear Set GM 7.5" & 7.625" 10 Bolt Ratio: 3.73
836-GM75373OE
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7.500 & 7.625 in. GM
Specifications:
But how do you know which carrier you have? I see it says series 2 is 3.08 and lower so would that mean if my gears are 3.08 or under I have a series 2 and if it's over I have the series 3?
Would this fit a stock 10 bolt from an 87 trans am or would I need the series 2
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