OS Engine VZ-B V-Spec Piston & Sleeve Assembly
Item No: 22103010 - RC Engine Part
This is a replacement piston and cylinder/sleeve for O.S. .21 VZ-B V-Spec engines. This only includes the piston/sleeve and we recommend that you should change the connecting rod whenever you replace your piston/sleeve.
FEATURES: Hardened chrome-plated cylinder and liner for high durability and long life Machined steel piston features parallel rings that trap fuel oil.