The 1977 Rupp Nitro 440 Liquid Cooled Engine Crankshaft is a genuine part made in Japan, specifically designed for snowmobile enthusiasts. With the Rupp brand name, you can trust the quality and reliability of this product. This crankshaft is a crucial component for maintaining the performance of your snowmobile, ensuring a smooth and efficient ride on the snow. A must-have for any serious snowmobile rider looking to upgrade or replace their current crankshaft.  15 by 8 by 8 21 lbs