Engines and Components› Crankshafts and Components

Lunati

GM LS 4340 Forged Crank 4.000 Stroke

$1,000.38

SKU: L00M 70840001LUN

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Lunati Voodoo Crankshafts are engineered from 4340 non-twist forged steel for durability and strength in high performance applications. They feature lightening holes in the rod journals to reduce crankshaft inertia weight for faster rotation. All Voodoo Crankshafts are nitride heat treated with micropolished journals for increased durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandLunati
Part NumberL00M 70840001LUN

Videos

2006 CTS-V "427" Stroker

2006 CTS-V "427" Stroker
PRI 2015 - Lunati Unleashes New Bootlegger Cams for the LS, Plus Lightweight Voodoo Cranks

PRI 2015 - Lunati Unleashes New Bootlegger Cams for the LS, Plus Lightweight Voodoo Cranks
327 vs 350 Crankshafts - Ask Ed 22 - Ed Smith w #barryt

327 vs 350 Crankshafts - Ask Ed 22 - Ed Smith w #barryt

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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