LUNATI CRANKSHAFT - SIGNATURE SERIES - 4.000" STROKE - 58X RELUCTOR - LS7 - 61040001

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Part Number: 61040001

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LUNATI CRANKSHAFT - SIGNATURE SERIES - 4.000" STROKE - 58X RELUCTOR - LS7 - 61040001 All rod journals are drilled with either a 7/8" or 3/4" lightening hole to reduce the inertia weight of the crankshaft. All journal radiuses are ground to .125", roundness of each journal is .0001" or less. Pulsed Plasma Nitride Heat Treated for increased strength and durability. Micropolished journals. Proven to withstand over 1500 horsepower applications. 61040001 Brand Lunati Part Type Crankshaft Stroke 4.000" Reluctor 58X