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The Manley EVOX Turbo‑Tuff 4340 billet crankshaft is a fully machined 94mm‑stroke stroker crank for high‑horsepower boosted applications. Offered in Manley’s Turbo Tuff series for Mitsubishi 4G63/4G64 and Subaru EJ20/EJ25 engines, it uses 4340 billet material with fully knife‑edged counterweights. Each crank receives stress relief, shot‑peening, magnaflux inspection and heat treatment with nitriding for strengthened durability under boost.
Manley EVOX 4340 Billet 94mm Stroke Turbo Tuff Series Crankshaft
