Inner Valve Spring - one required per valve ie: 4 required for both heads.
See
ValveSpring164 for Inner Valve Spring
Vehicle Manufacturer: BMW
Application: BMW Airhead Models
Make/Model: BMW R68, R69, R69S, R69US
Model Years: 1955 - 1969
Manufacturer #: 11 34 0 026 160
Dimensions: H=41.5mm, D=27.5mm, d=21mm,T=3.25mm(See APPLICATION TABLE tab BELOW to verify vehicle fitment)
Brand: