Wanting to use valves of superior quality, or rockers with special proportions? Protect the friction zone between the valve end and the rocker arm with valve lash caps. All this to prevent damaging the lower part of the valve. BBT proposes you 2 different qualities. The Street, sold in sets of 8 and Racing, sold individually.
type 1, 1300 double inlet - 07/74 type 1, 1500 single inlet type 1, 1600 double inlet - 10/74 type 2, 1500 single inlet type 2, 1600 double inlet only - 05/73 type 3, all