EJ20 / EJ25 - Subaru EJ20/EJ25 Crankshafts Fully Machined "Turbo Tuff Series" Billet For High Horsepower / High Boost Applications
4340 Billet
Multi-step heat treatment process
Stress Relieved and Shot Peened
Nitrided
100% Magnafluxed
Knife-edged counterweights
Center gun drilled
"Direct Shot" dual main priority rod journal oiling
Gun drilled crank pin and counterweights
Manley Performance Crankshaft - Billet Turbo Tuff - Subaru EJ20 75MM Stroke
Premium heat treated forgings or lightweight 4340 billet
Multi-step heat treatment process and Nitrided for added strength
Stress relieved, shot-peened, and 100% magnafluxed
Fully profiled knife-edged counterweights on the billet forgings













