MCS Beehive Tapered Valve Spring Collar for Harley-Davidson

Optional adapter for MCS 998141 valve spring compressor tool.
Allows working with one-piece "Beehive" style conical valve springs

Fits: > Twin Cam 05-17 (except Softail 110" 16-17); XL 04-22; XR1200 08-12; Buell XB 03-10