3 Series Car

8620 Street / Oval Track Gears '65 - '72 Chevelle / Chevy II, '67 - '72 Camaro, '70 - '72 Nova / GTO / Firebird | 1.625" diameter pinion stem, 30 spline pinion, 3 Series (Original Carriers 3.07 to 3.73). These gears are manufactured from 8620 alloy and used primarily for street, oval track, and lightweight drag racing applications. Gears are designed to provide excellent service life, but are susceptible to high shock loads. Uses install kit P/N 83-1019.
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GM 12 Bolt 8.875

$193.60

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.08 Ratio

Product Code: 01-888308

U.S. Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$193.60

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.42 Ratio

Product Code: 01-888342

U.S. Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$195.29

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.42 Ratio

Product Code: G888342

Motive Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

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GM 12 Bolt 8.875

$260.09

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.55 Ratio

Product Code: 429-0095

Richmond Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$193.60

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.73 Ratio

Product Code: 01-888373

U.S. Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$260.09

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.90 Ratio

Product Code: 429-0040

Richmond Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$193.60

GM 12 Bolt 8.875" Street Gears, 3 Series - 3.91 Ratio

Product Code: 01-888391

Richmond Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

More info

GM 12 Bolt 8.875

$234.77

GM 12 Bolt 8.875" Street Gears, 3 Series - 4.10 Ratio

Product Code: 629-0304

Richmond Gear. Fits 3 series carriers. 8.875” ring gear diameter, 1.625” diameter pinion, 30 spline, 8620 alloy.

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