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Manley Subaru EJ20/EJ25 4340 Billet 83mm Stroke Turbo Tuff Series Crankshaft
Manley Performance
California Warning
Cancer and Reproductive Harm -- www.P65Warnings.ca.gov
Special order
Quantity:
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
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California Warning
Cancer and Reproductive Harm -- www.P65Warnings.ca.gov
Special order
Quantity:
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
California Warning
Cancer and Reproductive Harm -- www.P65Warnings.ca.gov
Special order
Quantity:
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
Manley Turbo Tuff® Billet Crankshafts deliver uncompromising strength, precision, and reliability for high-horsepower and high-boosted applications. Machined from premium 4340 Turbo Tuff® billet material, each crank features gun-drilled pins and fully knife-edged counterweights for reduced weight and superior balance. A multi-step heat treatment and nitriding process maximize durability, while stress relief, shot peening, and 100% magnaflux inspection ensure flawless quality.
- Enhanced Strength: Heat-treated and nitrided for max durability
- Counterweights knife-edged for precise balance and stability
- Quality Assured: Stress-relieved, shot-peened, magnafluxed
- Direct Shot Oiling for reliable bearing and journal life

