The TiAL Sport replacement spring is made for MVS and MVR valves and listed with a black finish, 38mm dimension and 1.875 marking. It’s intended as a service part for owners who need to refresh or alter valve actuation characteristics in compatible TiAL valves. Install it when replacing worn springs or when an exact match to the valve’s spring geometry is required.
TiAL Sport Replacement Spring - MVS/MVR Black 38mm 1.875