The O.S. Engine OS22325300 silencer assembling screw is supplied for use with parts marked "842" and features an M3x95mm thread. It is intended to clamp an RC-scale exhaust silencer to its flange on kits or replacement exhaust parts.
Key fit notes: inspect the silencer or pipe flange for the "842" identifier before you buy, check how much thread will engage through the mounting stack, and verify that the screw does not impinge on surrounding components during suspension movement.
Practical fitting advice: position the silencer and mating flange accurately, engage the M3 thread without forcing it, and torque to hold the silencer against normal model vibration and tuning loads. This is a model accessory and not suitable for full-size use.
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