80000 6 3/4 350 Small Block Chevy Harmonic Damper (Int.)

6 3/4 350 Small Block Chevy Harm .This damper for internally balanced small block Chevys is 6-3/4" in diameter and approximately 1-1/8 thick. This damper is dimensionally identical to the stock G.M. 6-3/4" damper. It has 60 degrees of timing marks.