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GM 8.5" 28spl FRONT AXLE KIT, w/ Super-Joint, 79-87 1/2TON TRK & BLAZER (ASSM_REQ)
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Estimated Ship Date: Nov 2, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ZA W24120
Part Type:
Product Line:
Summit Racing Part Number:
SPZ-35130
UPC:
883584351306
Differential Case Design Type:
GM 8.5 in.
Inner Axle Splines:
28
Outer Axle Splines:
19
Axle Material:
4340 chromoly
Wheel Studs Included:
No
Bearings Included:
No
Seals Included:
No
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Includes inner and outer shafts for both left and right sides along with universal joints.
USA Standard Gear Axle Shafts
USA Standard gear axle shafts are high-quality replacements machined from steel for superior strength and performance. They're available for dozens of differential case design applications, such as AMC, Ford, GM, Chrysler, and Dana. The shafts are offered in nearly a hundred lengths and numerous wheel stud patterns. Order the model recommended for your vehicle.
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Some parts are not legal for use in California or other states with similar laws / regulations
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