Manley Turbo Tuff Series Crankshaft 83mm Subaru WRX / STI EJ20 / EJ25 2002-2021

Part #: 190060B. Manley Turbo Tuff Billet 4340 Subaru crankshafts are ideal for building a robust bottom end. They undergo a multi - step heat treatment, are nitrided for maximum strength, stress - relieved, shot - peened, and 100% magnafluxed. The center, crank pin, and counterweights are gun - drilled to cut weight. Knife - edged counterweights ensure proper balance and low rotational mass. Specs: 4340 Billet for high - horsepower and high - boosted engines, multi - step heat treatment, nitrided and stress - relieved, shot - peened, 100% magnafluxed, knife - edged counterweights, and gun - drilled crank pin and counterweights.

Using this Manley Turbo Tuff crankshaft is straightforward. First, make sure your engine is clean and ready for installation. Carefully place the crankshaft in the engine block, following the correct alignment. When tightening the bolts, use the recommended torque settings to avoid any damage. As for maintenance, it's a good idea to check the crankshaft regularly for any signs of wear or damage. Keep the engine well - lubricated to ensure smooth operation. If you notice any unusual noises or vibrations, have the crankshaft inspected right away. This will help keep your engine running at its best and extend the life of the crankshaft.