This is the Muffler Assembly Screw for the #855 Muffler OSMG2876 / This assembly screw holds the muffler body together. / / FEATURES: Black steel construction / / INCLUDES: One Assembly Screw / One Nut / / SPECS: 4mm x 170mm screw w/.7 pitch threads / 4mm Nut / / RQUIRES: Thread locking compound, (DEVR2400) heat resistance from 75F to / 250F. / 5/07/04 JCT / updated tjt 042205