Valve spring GY-6 50 4T 139QMB inner, for long 69mm valves

Application: cylinder head with 69 mm long valves
ADDITIONAL INFORMATION:
Fits:
GY6 50 (139QMB) engine scooters — typical Chinese 50cc scooters (e.g. Baotian, Barton, Romet, Znen, Keeway), 50cc GY6 (139QMB) cylinder heads with long valves
Other names:
valve spring, inner valve spring, GY6 valve spring, 139QMB valve spring, valve springlet, cylinder head spring (long valves)
Category:
Inner valve spring
Part codes:
GY-6, GY6, 139QMB, 50 4T, 50cc