Speedmaster PCE618.1001 Billet Steel Differential Side Adjuster for Pontiac GTO 04-06 & Holden VT-VZ M80/M75

The Speedmaster PCE618.1001 is a heavy-duty billet steel differential side adjuster engineered for the 2004-2006 Pontiac GTO and Holden VT-VZ (M80/M75) platform. This precision-machined adjuster is designed to secure and adjust the side gears within the differential assembly, delivering the durability and strength required for performance and street applications where stock components may not suffice.

Constructed from billet steel, this adjuster combines superior material integrity with precise engineering to ensure reliable differential operation. It is ideal for builders and enthusiasts upgrading their GTO or Holden VT-VZ drivetrain, whether for improved reliability during spirited driving or complete differential rebuilds. The part fits directly into the specified differential assembly without modification, making it a straightforward swap for original equipment.

Key Features & Benefits

• Billet Steel Construction: Machined from solid billet steel for maximum durability and strength in differential applications.
• Platform-Specific Fit: Engineered and tested to fit 2004-2006 Pontiac GTO and Holden VT-VZ M80/M75 differentials without modification.
• Side Adjuster Function: Secures and adjusts side gears within the differential assembly for proper gear engagement and operation.
• Performance Upgrade: Heavy-duty design supports performance builds and complete differential rebuilds for enhanced reliability.

Specifications

Ideal Applications

• Complete differential rebuilds and restoration projects
• Performance and street driving applications
• Differential upgrades for improved reliability
• Custom drivetrain builds and modifications