Scat 445410: 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 2-Piece Rear Main Seal 4.000'' Stroke for use with 6.135'' Rod 2.200" Rod Pin Diameter External Balance 68 lbs.