USA Standard 4340 Chrome-Moly Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 30 Spline

SKU: YUKZA_W24122

Drive Axle Shaft Assembly

YUK USA Std Chromoly Axles...

Yukon Gear & Axle

USA Standard 4340 Chrome-Moly Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 30 Spline

SKU: YUKZA_W24122

Drive Axle Shaft Assembly

YUK USA Std Chromoly Axles...

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

USA Standard Gear performance axles are constructed from high-tensile strength 4340 chromoly, use superior manufacturing methods, and feature advanced heat-treating technologies to create an axle of unparalleled quality and durability.

Product Overview

Features and Benefits

Includes 1310 Series u-joints

Product Details

California Proposition 65:	No
Description:	USA Standard 4340 Chrome-Moly Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 30 Spline
Part Number:	yukZA W24122

Application Summary

GM 8.5" 30spl FRONT AXLE KIT, w/ 297X, 79&UP 1/2TON TRK & BLAZER (ASSM_REQ)

Part Type

Drive Axle Shaft Assembly

Data: v4.2 - Upd: 2026-10-16 20:08:04

Features

Fits GM 8.5” front differential
Heavy duty 4340 chromoly construction
Includes 1310 Series u-joints
Includes 19 spline, 9.94” outer axles
Includes 30 spline, 19.15” inner RH axle
Includes 30 spline, 35.46” inner LH axle

Specifications

California Proposition 65:: No
Description:: USA Standard 4340 Chrome-Moly Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 30 Spline
Part Number:: yukZA W24122

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukZA_W24122
SFX Item ID	4490879
Supplier Item Code	4490879
Manufacturer SKU	ZA W24122
Manufacturer UPC	883584351313
Alternative References	w24122, spz-35131, 8.5in