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Lunati Pro Series Forged 4340 Steel Crankshaft - SB Chevy - Stroke: 4.000", Rod Length: 6.000", Main: 400, Pin Diameter: 2.100"

Lunati Pro Series Forged 4340 Steel Crankshaft - SB Chevy - Stroke: 4.000", Rod Length: 6.000", Main: 400, Pin Diameter: 2.100" 60240001 is no longer available. We've left this page up for reference only. Check out the other Engine Components throughout our store or call toll-free 866-722-3432 to speak with a Pit Stop USA team member about similar products.

LNT60240001
Crankshaft, Signature Series, 4.000 in Stroke, Internal Balance, Forged Steel, 2 Piece Seal, Small Block Chevy, Each
Availability: Sorry this product is no longer available

Description

Signature Series Crankshaft SBC w/ 400Main, 2 pc Seal, 4.000 in Stroke

As the premium line of crankshafts offered by Lunati, Signature Series Crankshafts are the strongest you will find for your engine. The specialized non-twist 4340 forged steel construction comes completely profiled and detailed to our racing specs. Many design features such as gun drilled mains, lightened rod journals, micropolished journals and a windage reducing contoured wing counterweight profile make the Signature Series the best choice for serious racers.

The Signature Series Crankshaft for SBC is made from 4340 steel, and is profiled and detailed to our racing specifications. Features a 4.000" stroke w/ 2.648" main journals. For 400 Main, 2 Pc Seal Applications.

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.

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.

    No cam company, new or old, is more qualified to envision and implement such a revolutionary advancement than the new Lunati. With its stellar heritage, a dedicated new management team and ample financial support, the future is bright for Lunati.

    • PROP 65

    These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm

    Shipping Information

    • Item Requires Shipping
    • 57.5 lbs.
    • W11.0000” x H10.0000” x L32.0000”
    • This item ships in its own box.