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Yukon Gear 70-96 Chevrolet Caprice Limited Slip & Re-Gear Kit - 8.5in Diff 28 Spline 3.73 Ratio

SKU: YUKYGK2337

Ring and Pinion and Differential Combos

YUK Gear Sets - GM...

Yukon Gear 70-96 Chevrolet Caprice Limited Slip & Re-Gear Kit - 8.5in Diff 28 Spline 3.73 Ratio

SKU: YUKYGK2337

Ring and Pinion and Differential Combos

YUK Gear Sets - GM...

Sale ends in Calculating...

A$3,321.00 A$3,412.80
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Yukon Gear & Axle(R) provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring and pinions, positractions, lockers, axle upgrades, rebuild kits, hubs, driveshafts, diff covers, and more. Proven at King of the Hammers and the granite crags of Moab, Yukon products are built for abuse so enthusiasts can gear up and wheel with confidence.

Product Overview

Yukon Gear & Axle(R) provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring and pinions, positractions, lockers, axle upgrades, rebuild kits, hubs, driveshafts, diff covers, and more. Proven at King of the Hammers and the granite crags of Moab, Yukon products are built for abuse so enthusiasts can gear up and wheel with confidence.


Features and Benefits

  • Fits GM 8.5 in. differential
  • Fits GM 8.5” differential
  • Includes positraction unit, ring and pinion gear set, and all required bearings and installation hardware
  • 30 spline pinion gear
  • 3.73 ratio
  • Includes Dura Grip positraction LSD, 28 spline
  • Coverage includes ’70 to ’81 Firebird Trans Am, ’70 to ’77 GTO, 25 other models, or anything hot-rodded with a GM 8.5” diff
  • 10 bolt ring gear
  • 2.25" OD bearings
  • Coverage Incl. 70 To 81 Firebird Trans Am; 70 To 77 GTO; 25 Other Models; Or Anything Hot-Rodded w/A GM 8.5 in. Diff
  • Incl. Dura Grip Positraction LSD; 28 Spline
  • 2.25 in. OD Bearings
  • Incl. Positraction Unit; Ring And Pinion Gear Set; And All Required Bearings And Installation Hardware

Product Details

AAP Selling Package Quantity UOM:EA
AAP_UDA_12:EA
AAP_UDA_22:1
California Proposition 65:Not Applicable
Description:Kit contains a ring and pinion set; positraction unit; and installation parts
Part Number:yukYGK2337
Title:Yukon Muscle Car Limited Slip & Re-Gear Kit for GM 8.5”, 30 spline, 3.73 ratio
WARNING CA Proposition 65:No

Application Summary

8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Type

Differential Ring and Pinion Kit

Data: v4.2 - Upd: 2026-10-17 20:08:29

Features

  • 10 bolt ring gear
  • 2.25 in. OD Bearings
  • 2.25" OD bearings
  • 3.73 ratio
  • 30 spline pinion gear
  • Coverage Incl. 70 To 81 Firebird Trans Am; 70 To 77 GTO; 25 Other Models; Or Anything Hot-Rodded w/A GM 8.5 in. Diff
  • Coverage includes ’70 to ’81 Firebird Trans Am, ’70 to ’77 GTO, 25 other models, or anything hot-rodded with a GM 8.5” diff
  • Fits GM 8.5 in. differential
  • Fits GM 8.5” differential
  • Incl. Dura Grip Positraction LSD; 28 Spline
  • Incl. Positraction Unit; Ring And Pinion Gear Set; And All Required Bearings And Installation Hardware
  • Includes Dura Grip positraction LSD, 28 spline
  • Includes positraction unit, ring and pinion gear set, and all required bearings and installation hardware

Specifications

Product Attributes - Brand
Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number
YGK2337
Product Attributes - Part Type
Ring and Pinion and Differential Combos
Product Attributes - Product Line
Yukon Gear & Axle Ring and Pinion Gear and Differential Combos
Product Attributes - UPC
883584126287
Product Attributes - Differential Case Design Type
GM 8.5 in.
Product Attributes - Aftermarket Carrier Style
Clutch-type
Product Attributes - Axle Shaft Spline Quantity
28
Product Attributes - Ring and Pinion Ratio
3.73:1
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
11
Product Attributes - Ring Gear Diameter (in.)
8.500 in.
Product Attributes - Pinion Shaft Diameter (in.)
1.313 in./1.626 in.
Product Attributes - Cover Gasket Included
Yes
Product Attributes - Pinion Shims Included
Yes
Product Attributes - Carrier Shims Included
Yes
Product Attributes - Crush Sleeve Included
Yes
Product Attributes - Pinion Seal Included
Yes
Product Attributes - Pinion Nut Included
Yes
Product Attributes - Ring Gear Bolts Included
Yes
Product Attributes - Head Bearing Included
Yes
Product Attributes - Tail Bearing Included
Yes
Product Attributes - Carrier Bearings Included
Yes
Product Attributes - Axle Seals Included
Yes
Product Attributes - Axle Bearings Included
Yes
Product Attributes - Friction Modifier Included
Yes
Product Attributes - Differential Oil Included
No
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Yukon Gear & Axle
StreetFX SKU yukYGK2337
SFX Item ID 4492625
Supplier Item Code 4492625
Manufacturer SKU YGK2337
Manufacturer UPC 883584126287
Alternative References yga-12628, 8.5in

Compatibility

8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

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