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Olds / Pontiac 57-64, 9.3” Street Gears, 4 Series
Category: Ring & Pinion Sets
Part Number(s): Olds / Pontiac 57-64, 9.3”, 8620, 4 Series
Fits 4 series carrier, thirdmember type, (original ratios of 4.10 and numerically higher) and MW spools. 9.3” ring gear diameter, 1.875” diameter pinion stem, 13 spline pinion. Manufactured from 8620 alloy. These gears are used primarily for street, oval track, and lightweight drag racing applications.

Items marked with an asterisk (*) are available with limited stock
Price: $469.00
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57-'62 Olds/Pontiac Installation Kit
Part Number(s):  83-5810
Pinion depth shims, preload spacer, spool bearings, pinion bearings, seal, pinion nut and gear marking compound.
Price: $247.09
57-'62 Olds/Pontiac Installation Kit w/MW Spool
Part Number(s):  83-5810S
No Description Available
Price: $178.02