Description
O.S. Speed OS-2A004160 Head Shims 16.27mm bore. 0.1mm 0.15mm
OS-2A004160 OS Head Shims 16.27mm bore. 0.1mm 0.15mm
Replacement head shims for OS .21 engines with 16.27mm bore.
This includes “most” OS .21’s including B2101, B2104, Rody, Spec II
These are not DRAKE compatible.