1. 

   GY6 Tappet Adjusters - Nut & Screw $5.99

1. 

   SSP-G GY6 Valve Seals for 4-Valve Head $11.99

1. 

   SSP-G GY6 Titanium Valve Spring Retainers $37.99

1. 

   VOG 260 Valve Keeper Sets $4.99

1. 

   VOG 260 Valve Shims $4.99

1. 

   SSP-G Viton Valve Seals $11.99

1. 

   Valve Guide O-ring for 50cc 4-stroke QMB139 Engines $1.99

1. 

   Valve Guide for 50cc 4-stroke QMB139 Engines $5.99

1. 

   Valve Keepers for 50cc 4-stroke QMB139 Engines $2.99

1. 

   Valve Spring Seat for 50cc 4-stroke QMB139 Engines $3.99

1. 

   Valve Washer size 16x23 for 50cc 4-stroke QMB139 Engines $2.99

1. 

   Valve Oil Seal for 50cc 4-stroke QMB139 Engines $5.99