BAN JING GY6 STROKER CRANKSHAFT 3.0MM
Increases stroke of crank shaft by 3.0mm providing extra horsepower.
For GY6 150cc engines, B case
Kit Includes:
- Ban Jing +3mm stroker crank
- 1mm cylinder spacer kit
Specifications:
- Total stroke is 60.8mm.
- 57mm stud spacing