<https://ricambicarburatori.com/contents/en-us/Product-P636>
<http://schema.org/description>
" 8649 / 10375 Dellorto needle valve, seat and fiber washer for a Dellorto DRLA carburetor.  This is a genuine Dellorto part, Rubber-tipped! Only genuine Dellorto needles are marked with the diamond shaped &quot;Inc&quot; logo! This set is available from our stock in sizes: 150 170 200 225 250 270 350 400  To order the correct size, please check the stamp on the old seat in your carburettor. You can then select the desired size through the Size* menu just above the Add to  cart button. This product is priced and sold as a complete set as depicted. Required quantity per carburettor: 1 set This is item number 10 in the drawing of the Dellorto DRLA carburetor.  This is Dellorto Part Number: 10375 and 8649"
<https://ricambicarburatori.com/contents/en-us/p636_10375-8649-Original-Needle-Valve-Set-for-Dellorto-DRLA-carburetor.html>