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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: $538.65
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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: $196.08
 
 
 
 
 
57-'62 Olds/Pontiac Installation Kit w/MW Spool
Part Number(s):  83-5810S
 
No Description Available
 
Price: $178.02