Engine Home / Shop / Engine / (262) Duplex Crankshaft Sprocket Information Specifications As this item is rotating at full engine speed it is generally very worn and in need of replacement. This item suits all crossflow 1 1/2 Ltr LM's, Singer 12's, 14's, and 2 Ltr's of overhead Camshaft design. Check your Sprockets for teeth that which appear sharp on the outer edge. You may find that they are so worn that the tips of the teeth are bending over. Worn chains and worn Camshaft Sprockets in chain driven Engines are bad news!! Brand: Page 65 (262) Duplex Crankshaft Sprocket (262) Duplex Crankshaft Sprocket £120.00 Stock Status: In Stock Add to your Wish List