Manley Performance Crankshafts WRX (06-14) STI (04-18)

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Manley Billet 79mm Stroke Turbo Tuff Crankshaft 19.5lbs WRX (2006-2014) STI (2004-2018)

SKU: 190040B

Price: $1,527.99

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Manley Billet 83mm Stroke Turbo Tuff Crankshaft 21lbs WRX (2006-2014) STI (2004-2018)

SKU: 190060B

Price: $1,328.00

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Manley Billet 75mm Stroke Turbo Tuff Crankshaft 19.5lbs WRX (2006-2014) STI (2004-2018)

SKU: 190160B

Price: $1,328.00

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Product Description

Manley Turbo Tuff Billet 4340 crankshafts for the Subaru EJ20 and EJ25 are the perfect crank to complete a stout bottom end build. Each crankshaft is put through a multi-step heat treatment process and nitrided (hardened) for maximum strength. The crankshaft is then stress relieved, shot peened, and magnafluxed (stress tested). The center, crank pin and counterweights are gun drilled for reduced weight. Each Turbo Tuff crankshaft features knife-edged counterweights for proper balance and lowest rotational mass.

Specs:
4340 Billet For High Horsepower/High Boosted Applications
Multi-step heat treatment process
Nitrided, Stress Relieved and Shot Peened
100% Magnafluxed
Knife-edged counterweights
Gun drilled crank pin and counterweights