632 Short Block Engines CNC Motorsports
CNC Competition BB Chevy 632 Dart Short Block, Callies Crankshaft, JE 10.7:1 Pistons. 8,178.49. BB Chevy 632 Short Block, Dart Block Big M Sportsman Tall Deck Block, Callies 4340 Forged Steel 4.750 Crankshaft, Callies 6.700 H Beam Rods, JE 10.7:1 Flat Top Pistons, Fully Machined, Balanced, Short Block Assembled and Blueprinted. Add to Cart.