Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

SKU: SPZGM8.5-308

Ring and Pinion Gears
USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Usa Standard Gear

USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

SKU: SPZGM8.5-308

Ring and Pinion Gears
A$1,043.72
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.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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 00:16:10

Specifications

Product Attributes - Brand
USA Standard Gear
Product Attributes - Manufacturer's Part Number
ZG GM8.5-308
Product Attributes - Part Type
Ring and Pinion Gears
Product Attributes - Product Line
USA Standard Gear Ring and Pinion Sets
Product Attributes - UPC
883584362111
Product Attributes - Differential Case Design Type
GM 8.5/8.6 in.
Product Attributes - Ring and Pinion Ratio
3.08:1
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
40
Product Attributes - Pinion Gear Teeth
13
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.

Reference Information

Brand Name/s Usa Standard Gear
StreetFX SKU spzGM8.5-308
SFX Item ID 4896441
Supplier Item Code 4896441
Manufacturer SKU GM8.5-308
Manufacturer UPC 883584362111
Alternative References SPZ-36211, in./8.6

Compatibility

Loading compatibility information...

Keep shopping

More from Usa Standard Gear