Chevy 454SS 9.25″ 14-Bolt Axle

Chevy 454SS 9.25" 14-Bolt Axle (1990–1993, 2WD B4U Suspension Package)

This Moser Engineering Chevy 454SS 9.25" 14-Bolt axle is designed for the 1990–1993 Chevy 1500 454SS pickup with the 2WD B4U suspension package. Built from high-strength alloy steel and precision-machined in the USA, this axle shaft delivers long-lasting durability and an exact OEM fit.

Specifications:

• Part Number: A3390GMSS (sold individually)

• Rear End: 9.25" 14-Bolt

• Axle Length: 31 9/16"

• Bolt Pattern: 5 x 5"

• Spline Count: 33 (C-clip style)

• Bearing Seat Diameter: 1.705"

• Pilot Diameter: 3.086"

• Stud Type: Verify before ordering

Fitment:

• 1990 Chevy 1500 454SS (2WD, B4U Suspension Package)

• 1991 Chevy 1500 454SS (2WD, B4U Suspension Package)

• 1992 Chevy 1500 454SS (2WD, B4U Suspension Package)

• 1993 Chevy 1500 454SS (2WD, B4U Suspension Package)

Why Upgrade to Moser?
Moser Engineering axles are heat-treated for strength, precision-machined for accuracy, and designed to outperform factory axles. Whether you’re restoring a Chevy 454SS or upgrading for performance, these 9.25" 14-Bolt axles (1990–1993) provide the reliability you need.

Notes:

• Sold as a single axle shaft (order two for a complete set).

• Verify stud type before placing your order.