TIMING BELT ISUZU 4ZE1 88-93 137S8M25Part No. 137S8M25 Type TIMING BELT Brand MITSUBOSHI Unit of Measure EACH Description TIMING BELT T147 Warranty Two Years Number of Teeth 137 Width 25mm Timing Belts & Accessory Belts Every bloke knows timing is key when it comes to your crankshaft. Thats where having a quality timing belt is worth its weight in gold. Basically, a good one is pivotal in making sure your engine cools its jets and doesnt fire too early. Timing belts control the rotation