... develop the new items as customer' special requirment.------ Differential Spider Kits, Spider, Pinion Gear, Side Gear, Idler Gear, Pinion ... Drive Unit, Differential Assy, PTO Gear Box, Crown Wheel and Pinion Gear, Synchronizer Ring, Synchronizer Gear. Differential Spider Kit ... Crown Wheel and Pinion Gear for Truck Isuzu Hino Nissan UD Mitsubishi Fuso ...