Engines and Components› Pistons and Piston Rings
Eagle
Eagle Chevy LS1 3.900in Crank 58 Tth Reluctor 6.125in H-Beam -29cc 3.913in Pistons Rotating Assembly
SKU: E001 138713913
Advanced — 4+ hours
Description
Part #: 138713913
Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.
Competition Assembly Chevy LS1
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Eagle |
| Part Number | E001 138713913 |
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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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