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Charts & Guides for Part Number SPZ-36017
USA Standard Gear ZG Series Ring and Pinion Sets ZG C9.25-321 Chrysler 9.25 in. 3.21 Gears
Part Number: SPZ-36017
USA Standard Gear ZG Series Ring and Pinion Sets
USA Standard Ring & Pinion gear set for Chrysler 9.25" in a 3.21 ratio
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Estimated Ship Date: Apr 20, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ZG C9.25-321
Part Type:
Product Line:
Summit Racing Part Number:
SPZ-36017
UPC:
883584360179
Differential Case Design Type:
Chrysler 9.25 in.
Ring and Pinion Ratio:
3.21:1
Cover Bolts:
12
Ring Gear Bolts:
12
Pinion Spline Count:
29
Ring Gear Rotation:
Standard
Ring Gear Teeth:
45
Pinion Gear Teeth:
14
Ring Gear Diameter (in.):
9.250 in.
Pinion Shaft Diameter (in.):
1.875 in.
Installation Kit Included:
No
Cover Gasket Included:
No
Pinion Shims Included:
No
Carrier Shims Included:
No
Crush Sleeve Included:
No
Pinion Seal Included:
No
Pinion Nut Included:
No
Ring Gear Bolts Included:
No
Head Bearing Included:
No
Tail Bearing Included:
No
Carrier Bearings Included:
No
Axle Seals Included:
No
Axle Bearings Included:
No
Differential Cover Included:
No
Differential Oil Included:
No
Friction Modifier Included:
No
Installation DVD Included:
No
Quantity:
Sold as a set.
Notes:
Fits 2009 and earlier models.
USA Standard Gear ZG Series Ring and Pinion Sets
USA Standard Gear ZG series ring and pinion sets are quality OE replacements. They're offered for a wide variety of common and hard-to-find applications, differential case designs, and ratios. The right choice adds confidence to your install; select the USA Standard ZG series ring and pinion set recommended for your stock vehicle.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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