O.S. Muffler Screws #744BTower Stock# OSMG6925 • Manufacturer Stock# 26625210
and E4020 OS Max mufflers.
They are used to mount the muffler to the engine.
Black Steel Construction
Two 4mm x 40mm Cap-Head Mounting bolts (Shouldered)
Cap-Head screws feature a .7mm coarse thread.
A 3.0mm allen wrench is required for tightening the Cap-Head screws.