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Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.25-488R & gear set for GM 8.25" IFS Reverse rotation in a 4.88 ratio

SKU: SPZGM8.25-488R

Ring and Pinion Gears
USA Standard Gear Ring and Pinion Sets ZG GM8.25-488R & gear set for GM 8.25" IFS Reverse rotation in a 4.88 ratio

Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.25-488R & gear set for GM 8.25" IFS Reverse rotation in a 4.88 ratio

SKU: SPZGM8.25-488R

Ring and Pinion Gears
A$1,001.91
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

USA Standard Gear ring and pinion sets are high-quality and precision-machined 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 ring and pinion set recommended for your vehicle.

Part Type

Ring and Pinion Gears

Data: v4.2 - Upd: 2026-10-16 00:16:00

Specifications

Product Attributes - Brand
USA Standard Gear
Product Attributes - Manufacturer's Part Number
ZG GM8.25-488R
Product Attributes - Part Type
Ring and Pinion Gears
Product Attributes - Product Line
USA Standard Gear Ring and Pinion Sets
Product Attributes - UPC
883584362098
Product Attributes - Differential Case Design Type
GM 8.25 in., IFS
Product Attributes - Ring and Pinion Ratio
4.88:1
Product Attributes - Cover Bolts
10
Product Attributes - Ring Gear Bolts
10
Product Attributes - Pinion Spline Count
30
Product Attributes - Ring Gear Rotation
Reverse
Product Attributes - Ring Gear Teeth
39
Product Attributes - Pinion Gear Teeth
8
Product Attributes - Ring Gear Diameter (in.)
8.250 in.
Product Attributes - Pinion Shaft Diameter (in.)
1.626 in.
Product Attributes - Installation Kit Included
No
Product Attributes - Cover Gasket Included
No
Product Attributes - Pinion Shims Included
No
Product Attributes - Carrier Shims Included
No
Product Attributes - Crush Sleeve Included
No
Product Attributes - Pinion Seal Included
No
Product Attributes - Pinion Nut Included
No
Product Attributes - Ring Gear Bolts Included
No
Product Attributes - Head Bearing Included
No
Product Attributes - Tail Bearing Included
No
Product Attributes - Carrier Bearings Included
No
Product Attributes - Axle Seals Included
No
Product Attributes - Axle Bearings Included
No
Product Attributes - Differential Cover Included
No
Product Attributes - Differential Oil Included
No
Product Attributes - Friction Modifier Included
No
Product Attributes - Installation DVD Included
No
Product Attributes - Quantity
Sold as a set.
Product Attributes - Notes
Fits 2013 and down GM 8.25 IFS.

Reference Information

Brand Name/s Usa Standard Gear
StreetFX SKU spzGM8.25-488R
SFX Item ID 4896981
Supplier Item Code 4896981
Manufacturer SKU GM8.25-488R
Manufacturer UPC 883584362098
Alternative References SPZ-36209

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