Order Today to get your equipment back to in top shape. Ski-Doo Mini Z 120 Roller Drive Chain These measure 39" each with 78 pins/rollers with the included master joiner link. These Premium NICKEL PLATED 420 chains are made rugged with hardened solid steel rollers and pins with shot peened side plates for stress relief, fatigue resistance for better wear and longer life. Nickel Plated low friction surfaces for increased acceleration and consistency. For better looks and longer wear , Nickel Plating also resists oxidation and rusting. Replaces original drive chain with OEM Specs. Chain Pitch: 0.500" Roller Diameter: 0.306" Roller Width: 0.250" Pin Diameter: 0.156" Plate Thickness: 0.060" Tensile strength: 3800 Pounds Get your snow machine ready by replacing any worn or slack drive chains now. To save with combined shipping just add them all to your cart before you checkout. Please measure and verify the actual # of links or the overall length of your drive chain before ordering. If your chain is longer or shorter and not in our stock contact us, we will make one especially for your needs.