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The Manley Turbo Tuff forged billet crankshaft for Subaru EJ20/EJ25 engines is a 4340 billet unit with an 83.0mm stroke engineered for high-horsepower and boosted applications. Heat-treated and nitrided for enhanced strength, it features knife-edged counterweights, gun-drilled pins, shot-peening, stress relief and 100% magnaflux inspection to ensure balance, durability and reliable oiling for demanding racing and performance use.
Manley Subaru EJ20/EJ25 4340 Billet 83mm Stroke Turbo Tuff Series Crankshaft
