Replacement drive shaft gear for mechanical siren - Mechanical sirens H11 The cylinders are S&S Shovelhead

The cylinders are S&S Shovelhead cylinders and the heads are based on the S&S Shovelhead heads and will take pipes with Shovelhead exhaust flanges

Pivot shaft rebuild kit with all required components

- MLS = Multi-Layer-Steel explained: Consists of a top and bottom layer of stainless spring steel which is covered by high temperature rubber on both sides

but the seams are not

PS HEAVY DUTY FORK SPRINGS

Replacement drive shaft gear for mechanical siren - Mechanical sirens H11 The cylinders are S&S ShovelheadAluminum gear only. Left hand threaded. Fits drive shaft for all mechanical sirens. Weight 0. 045kg. OEM replacement reference 91168 39.