60440002 Lunati Signature Series Crankshaft - Chevy Big Block 4.000

Chevy Big Block , 4340 forged Steel, 4.000 Stroke, 2.750 Main Journal, 2.200 Rod Journal, 6.385" or Longer Rods, with 2 Piece Rear Main.

$2,103.90

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

As our premium line, Signature Series Crankshaft is the strongest crankshaft you will find for your engine. Its specialized non-twist 4340 steel construction comes completely profiles 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, micro-polished journals and a windage reducing counterweight profile make the Signature Series the best choice for serious racers. All Rods journals are drilled with either a 7/8" or 3/4" lightening hole to reduce the inertia weight of the crankshaft.
All journal radii are ground to .140"; roundness of each journal is .0001" or less. Overall stroke is held to -/+ .001".
Pulsed plasma nitride treated for increased strength and durability.
Micro-polished journals.
Proven to Withstand over 1500 horsepower applications.

Specifications

More Information
Price	$2,103.90
Vehicle Make	BB Chevy
Balance Type	Internal
Crankshaft Stroke	4.000
Crankshaft Series	Standard Weight
Crankshaft Material	4340 Steel
Main Journal	2.750
Rear Main Seal	2 Piece
Rod Journal	2.200
Custom Notices	⚠ PROP 65 WARNING

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