The PAI Synchronizer Upgrade Kit is the perfect blend of leading innovations and superior workmanship. This kit includes a Hub, Gear and Synchronizer Assembly, all designed to provide superior performance and reliability. The Hub is precision machined from high-grade steel for maximum strength and durability. The Gear is made from a special alloy for superior wear resistance and strength. This assembly is designed to provide smooth and precise shifting.

FleetPride is your First Click in Heavy Duty®.