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CAL-BLR42B-UD PART NUMBER
Callies BLR42B-UD Ultra Dirt 4340 Forged Steel Crankshaft$4,047.00Big Block Chevy, 4.625 Stroke, 2.749 Main, 2.200 Rod Journal, 2 Piece Rear Main Seal, 4340 Forged Steel Learn More -
CAL-BLS42B-UD PART NUMBER
Callies BLS42B-UD Ultra Dirt 4340 Forged Steel Crankshaft$4,047.00Big Block Chevy, 4.750 Stroke, 2.749 Main, 2.200 Rod Journal, 2 Piece Rear Main Seal, 4340 Forged Steel Learn More -
CAL-BLS43B-UD PART NUMBER
Callies BLS43B-UD Ultra Dirt 4340 Forged Steel Crankshaft$4,047.00Big Block Chevy, 4.750 Stroke, 2.749 Main, 2.100 Rod Journal, 2 Piece Rear Main Seal, 4340 Forged Steel Learn More -
CAL-IBB42B-MG PART NUMBER
Callies IBB42B-MG Magnum 4340 Forged Steel Crankshaft$3,424.00Big Block Chevy, 4.375 Stroke, 2.749 Main, 2.200 Rod Journal, 1 Piece Rear Main Seal, 4340 Forged Steel Learn More