Engines and Components› Crankshafts and Components
Eagle
3.8L V6 4340 Forged Crankshaft 3.400" Stroke
SKU: ESP-423134005967
Advanced — 4+ hours
Description
Constructed from a non-twist forging with multi-stage heat treatment, this crankshaft has micro-polished journals for a superior finish. It includes .125" fillet radiuses for added strength and rigidity, and requires chamfered bearings. The surface is shot-peened, stress-relieved, and nitrided for enhanced durability.
Fitment
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Specifications
| Brand | Eagle |
| Part Number | ESP-423134005967 |
| 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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