Speedmaster PCE618.1003 Pontiac GTO 04-06 Holden VT-VZ M80 M75 Billet Diff Side Adjusters & Tool Kit

The Speedmaster PCE618.1003 is a billet differential side adjusters and tool kit engineered for Pontiac GTO models 2004–2006 and Holden VT-VZ series vehicles equipped with M80 or M75 differentials. This precision kit includes billet-aluminum side adjusters designed to withstand high-performance demands while maintaining factory fitment and ease of installation.

The included tool kit provides everything needed for proper installation and adjustment of the differential side bearings, enabling technicians and enthusiasts to dial in correct preload and backlash settings. Constructed from durable billet aluminum, the adjusters offer superior strength and reliability compared to stock components. Ideal for street performance, racing preparation, and differential maintenance on compatible Pontiac GTO and Holden platforms, this kit delivers the precision engineering necessary for controlled, repeatable results.

Key Features & Benefits

• Billet Aluminum Construction: Side adjusters manufactured from billet aluminum for superior strength and durability in high-performance applications.
• Precision Fitment: Engineered specifically for Pontiac GTO 04-06 and Holden VT-VZ M80/M75 differentials to ensure proper factory alignment.
• Complete Tool Kit Included: Comes with all necessary tools for installation and differential adjustment, eliminating the need for separate purchases.
• Adjustable Preload & Backlash: Enables precise tuning of differential side bearing preload and backlash for optimal performance and longevity.

Specifications

Ideal Applications

• Differential setup and maintenance on Pontiac GTO models 2004–2006
• Bearing preload and backlash tuning on Holden VT-VZ M80/M75 differentials
• High-performance street and racing differential preparation
• Professional and DIY differential service on compatible platforms