OS 24081970 Needle #40D #40-D # 40-D

This is a Replacement Needle Valve for the O.S. 40 LA engine. Includes: One Needle valve - This is made of steel. It has a o-ring installed and a set screw installed in case one needs to make a needle valve ext- ension. Specs: Overall Length: 1.95" (50mm) Diameter of needle shaft: .055" (1.5mm) Diameter of Knurled section: .284" (7mm)