Mr Gasket Engine Cylinder Head Dowel Pin P/N:4377

Cylinder Head Dowel Pins; 0.638/0.639 OD x 0.5 in.; 2 pc.;

Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.