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CAL-BLZ49B-UD PART NUMBER
Callies BLZ49B-UD Ultra Dirt 4340 Forged Steel Crankshaft$4,047.00
Big Block Chevy, 4.013 Stroke, 2.749 Main, 1.888 Rod Journal, 2 Piece Rear Main Seal, 4340 Forged Steel Learn More -
CAL-EFU71V-UD PART NUMBER
EFU71V-UD Callies Ultra Dirt Crankshaft SB Ford 4.125$3,877.00
Small Block Ford, 4.125 Stroke, 351C Main, 2.100 Rod Journal, Fits 1 or 2 Piece Rear Main Seal, 4340 Forged Steel. Build to order. Learn More -
CAL-EFJ71T-UD PART NUMBER
EFJ71T-UD Callies Ultra Dirt Crankshaft SB Ford 3.750$3,816.00
Small Block Ford, 3.750 Stroke, 351C Main, 2.100 Rod Journal, Fits 1 or 2 Piece Rear Main Seal, 4340 Forged Steel. Build to order. Learn More