Scat 445425L: Standard Weight 4340 Steel Crankshaft Without Center Counterweights Chevy Big Block
Chevy Big Block
Standard Weight 4340 Steel Crankshaft Without Center Counterweights Chevy Big Block 1-Piece Rear Main Seal 4.250'' Stroke for use with 6.385'' Rod 2.200" Rod Pin Diameter Internal Balance 71 lbs.