Engines and Components› Crankshafts and Components
Manley Performance
4340 Billet Crankshaft 3.622" Stroke
SKU: MAN190758B
Advanced — 4+ hours
Description
This crankshaft includes an 8-counterweight design and a 58x reluctor wheel. It also features heavy-duty rod cheeks and lightning holes in the rod pins for reduced weight. The center counterweights are clearanced for use in OEM blocks without requiring additional machining.
Fitment
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Available on iOS & Android
Specifications
| Brand | Manley Performance |
| Part Number | MAN190758B |
| Category | Engines and Components |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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