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Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

SKU: SPZGM8.5-456

Ring and Pinion Gears
USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

SKU: SPZGM8.5-456

Ring and Pinion Gears
A$916.45
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Must use 2.73:1 or numerically higher ratio carrier.

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: 2026-10-17 02:10:00

Specifications

Product Attributes - Brand
USA Standard Gear
Product Attributes - Manufacturer's Part Number
ZG GM8.5-456
Product Attributes - Part Type
Ring and Pinion Gears
Product Attributes - Product Line
USA Standard Gear Ring and Pinion Sets
Product Attributes - UPC
883584362180
Product Attributes - Differential Case Design Type
GM 8.5/8.6 in.
Product Attributes - Ring and Pinion Ratio
4.56:1
Product Attributes - Cover Bolts
10
Product Attributes - Ring Gear Bolts
10
Product Attributes - Pinion Spline Count
30
Product Attributes - Ring Gear Rotation
Standard
Product Attributes - Ring Gear Teeth
41
Product Attributes - Pinion Gear Teeth
9
Product Attributes - Ring Gear Diameter (in.)
8.500 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
Must use 2.73:1 or numerically higher ratio carrier.

Reference Information

Brand Name/s Usa Standard Gear
StreetFX SKU spzGM8.5-456
SFX Item ID 4896827
Supplier Item Code 4896827
Manufacturer SKU GM8.5-456
Manufacturer UPC 883584362180
Alternative References SPZ-36218, in./8.6

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