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LUNATI Crankshaft, Signature Series, 4.500" Stroke, Internal Balance, Forged Steel, 2 Piece Seal, Big Block Chevy, Ea
Crankshaft, Signature Series, 4.500" Stroke, Internal Balance, Forged Steel, 2 Piece Seal, Big Block Chevy, Each
454 Mains, 6.535 Rod Per vendor if this is ordered with a double keyway and used on blower applications, it will not be covered under warranty if snout twists off. The customer must purchase a crank designed for blowers.
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Product Line
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Signature Series
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Lightened
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Yes
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1 / 2 Piece Rear Main Seal
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2-Piece
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Heat Treated
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Yes
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Nitrided
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Yes
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Stroke (in)
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4.500 in
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Main Journal Diameter
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2.750 in
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Rod Journal Diameter
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2.200 in
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Journal Radius
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0.125 in
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Narrowed Bearings Required
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Yes
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Intended Balance
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Internal
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Minimum Rod Length
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6.535 in
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Snout Style
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Standard
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Balancer Bolt Thread
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1/2-20 in
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Crankshaft Key Quantity
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1
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Flexplate / Flywheel Mounting Bolt Quantity
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6
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Alloy
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4340
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Material Style
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Forged
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Material
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Steel
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Color
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Natural
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Finish
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Natural
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Quantity
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Each
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