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Lunati 61040001 - 4.000" LS7 Snout 58X 4340 Forged Crankshaft

Proudly made in the USA!

Engine GM LS7
Material Forged 4340 Steel
Stroke 4.000"
Rod Length 6.125"
Rod Journal 2.100"
Main Journal 2.559"
Reluctor Count 58 Tooth
Rear Main Seal 1 Piece
Bolt Pattern 6 Bolt
Limited Supply: only 2 remaining
Shipping: Free Shipping on Orders Over $100*
Was: $1,969.00
Sale: $1,395.00
Save: 29%
Save: $574.00

Free U.S. Continental Shipping


As Lunati's premium line, a Signature Series Crankshaft is one of the strongest crankshaft you will find for your engine. Its specialized non-twist 4340 forged steel construction comes completely profiled and detailed to our racing specs and has proven to withstand applications well over 1500 horsepower. 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. Each Signature Series crankshaft is Pulsed Plasma Nitride Heat Treated for increased strength and durability

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 61040001
  • 61040001
  • 788120790376
  • Lunati
  • Available
  • New

Shipping Information

  • Item Requires Shipping
  • 50.0 lbs.
  • W12.0000” x H12.0000” x L36.0000”
  • Free U.S. Continental Shipping
  • Free Shipping on Orders Over $100*

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