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Vehicle Info NeededLUNATIPART NUMBER: 638-70340001
Voodoo Crankshaft GM LS Gen III/IV
$1,06995
Ships on 10/19/2026
Lowest Price GuaranteeGM LS Gen III/IV
Voodoo CrankshaftGM LS Gen III/IV Stroke: 4.000" Main Bearing OD: 2.559" Rod Journal OD: 2.100" Minimum Rod Length: 6.125" Rod Journal Width: 1.900" Connecting Rod: LS 24-Tooth Reluctor
LUNATI/HOLLEY 70340001 Features:
Voodoo Crankshafts from Lunati are engineered from 4340 non-twist forged steel that is known for its durability and strength in high performance applications. All Voodoo Cranks are nitride heat treated with micropolished journals to add even further durability. Lightening holes in the rod journals reduce crankshaft inertia weight for faster rotation.- 4340 Forged Steel Construction
- Lightened Rod Journals
- Nitride Heat Treated
Note: All Lunati crankshafts MUST use narrow or chamfered main & rod bearings.
Lunati Voodoo Crankshafts are made from a specialized non-twist 4340 forged steel construction and proven to withstand high performance applications. They include lightened rod journals for increased acceleration and all tolerances are held to exacting standards. To increase strength and durability, each crankshaft is nitride heat treated with micropolished journals.
Features:Part TypeCrankshaft
Product LineLunati Voodoo Crankshafts
BrandLUNATI
Package Height10.0
Package Width10.0
Package Length31.5
Weight58.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Rod Journal Diameter2.1 in (53.3 mm)
Main Journal Diameter2.559 in (64.999 mm)
LightenedYes
QuantitySold individually
Main Bearings IncludedNo
Engine BalanceInternal
Rod Bearings IncludedNo
Reluctor Wheel Tooth Quantity24
Rear Main Seal Style1-piece
Requires Narrow BearingsYes
Part FitmentSemi Universal
Engine Stroke4 in (101.6 mm)
Vendor Part Number70340001LUN
Package Qty1
Package TypeEA
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