Service Kits (POSI) Preload Kit

The Detroit Locker-TracTech Service Kits (POSI) Preload Kit is an essential maintenance component designed specifically for Detroit Locker differentials. It is ideal for serious off-road and high-performance drivers who require maximum traction and durability from their vehicles. This kit is crucial for maintaining proper bearing preload tension, which is vital for consistent performance on various terrains.

This preload adjustment kit restores factory specifications and includes precision shims and components necessary to set the correct preload tension. Proper preload controls side-bearing clearance and prevents unwanted play, which can lead to noise, premature wear, and reduced lock engagement. The kit is engineered for repeatability, allowing technicians to achieve exact specifications rather than relying on worn-out settings.

The Detroit Locker-TracTech Service Kits (POSI) Preload Kit is essential for anyone rebuilding or servicing a Detroit Locker differential, from professional shops to dedicated DIY mechanics. Proper installation requires differential disassembly, making it suitable for those familiar with vehicle maintenance. This kit ensures smooth operation under both highway and extreme off-road conditions, enhancing vehicle handling and longevity.