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

Allstar Performance

Allstar Performance Ring and Pinion Shim Kits ALL68621 Kit, Rear, for GM 8.5 in. (10-bolt Carrier with 10-bolt Cover 30-spline Pinion), Kit

SKU: AAFALL68621

Differential Shims
Allstar Performance Ring and Pinion Shim Kits ALL68621 Kit, Rear, for GM 8.5 in. (10-bolt Carrier with 10-bolt Cover 30-spline Pinion), Kit

Allstar Performance

Allstar Performance Ring and Pinion Shim Kits ALL68621 Kit, Rear, for GM 8.5 in. (10-bolt Carrier with 10-bolt Cover 30-spline Pinion), Kit

SKU: AAFALL68621

Differential Shims
A$191.40
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

If you're trying to find all of the right pieces and parts for your installation, Allstar Performance can help with their ring and pinion shim kits. These kits already have all of the hard-to-find individual parts that you'll need for a quick, hassle-free install.

Shim kits include:

* Pinion seal
* Pinion depth shims
* Adjustable side shims
* Crush sleeve
* Pinion nut
* Silicone or gasket
* Gear marking compound
* Ring gear bolts

Additional Information

GM PASS & LIGHT TRUCK REAR AXLE W/8.50 RING GEAR. 10 BOLT W/ 30 SPLINE PINION 1971-1984.

Part Type

Shim Kit GM 8.5in 10 Bolt 1970-98

Data: v4.2 - Upd: 2026-10-16 22:06:30

Specifications

Product Attributes - Brand
Allstar Performance
Product Attributes - Manufacturer's Part Number
ALL68621
Product Attributes - Part Type
Differential Shims
Product Attributes - Product Line
Allstar Performance Ring and Pinion Shim Kits
Product Attributes - UPC
848238036992
Product Attributes - Differential Shim Type
Pinion
Product Attributes - Differential Shim Material
Steel
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
GM passenger car and light truck, rear axle, 8.50 in. 10-bolt carrier with 10-bolt cover, 30-spline pinion 1971-84.

Reference Information

Brand Name/s Allstar Performance
StreetFX SKU aafALL68621
SFX Item ID 4773564
Supplier Item Code 4773564
Manufacturer SKU ALL68621
Manufacturer UPC 848238036992
Alternative References 10-bolt, 30-spline

Compatibility

Application Data
  • Axle ModelGM 8.5 in.

Loading compatibility information...

Keep shopping

More from Allstar Performance