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Charts & Guides for Part Number SPZ-36161
USA Standard Gear ZG Series Ring and Pinion Sets ZG GM11.5-411 AAM/Chrysler/GM 11.5 in. 4.11 Gears
Part Number: SPZ-36161
USA Standard Gear ZG Series Ring and Pinion Sets
USA Standard Ring & Pinion gear set for GM 11.5" in a 4.11 ratio
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Estimated Ship Date: Mar 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ZG GM11.5-411
Part Type:
Product Line:
Summit Racing Part Number:
SPZ-36161
UPC:
883584361619
Differential Case Design Type:
AAM/Chrysler/GM 11.5 in.
Ring and Pinion Ratio:
4.11:1
Cover Bolts:
14
Ring Gear Bolts:
12
Pinion Spline Count:
30
Ring Gear Rotation:
Standard
Ring Gear Teeth:
37
Pinion Gear Teeth:
9
Ring Gear Diameter (in.):
11.500 in.
Pinion Shaft Diameter (in.):
2.005 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.
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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