Manley Subaru EJ20/EJ25 4340 Billet 75mm Stroke Turbo Tuff Series Crankshaft

Manley Pro Series Turbo Tuff crankshafts are fully machined billet components for high-horsepower and high-boosted sport compact applications. Crafted from 4340 billet steel, Turbo Tuff crankshafts go through a multi-step heat treatment process and are nitrided for added strength. They are stress-relived, shot-peened, and 100 percent magnafluxed, and they feature fully profiled counterweights.