Cylinder Head GY6 4-stroke

OEM Style Cylinder head GY6 50ccCylinder head GY6 for 4-stroke engines 139QMB\/139QMA in OE quality. Including pre-assembled valves, valve springs and valve stem seals. This eliminates the need to replace and grind in the valves. This cylinder head is for models WITHOUT SAS (secondary air system). However, the you can also simply get rid \/ close theexisting SAS.

Attention: Supplied without rocker arm bridge. This can be found under OE-GY6BT13854.

Details Cylider head GY6:Supplied pre-assembledIncluding valves, springs and stem sealsFor models without SASValve length: 64mm