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Manley Turbo Tuff billet crankshaft for Subaru EJ20/EJ25 engines is a high-strength 4340 billet crank intended for high-boost, high-horsepower builds. It upgrades the rotating assembly with a durable, precisely machined component suited for demanding use. Machined from premium Turbo Tuff 4340 billet, the crank features gun-drilled pins, knife-edged counterweights, multi-step heat treatment and nitriding, plus stress relief, shot peening and 100% magnaflux inspection for quality assurance.
Manley Subaru EJ20/EJ25 4340 Billet 75mm Stroke Turbo Tuff Series Crankshaft
