SSP-G 180cc Cylinder Head ISO 9001 A precision needle bearing inside

A precision needle bearing inside the throttle tube eliminates internal friction for a smooth

SKU: 106-54

The secondary sliding sheave is the movable half of the driven pulley — it controls belt clamping force on the output side of the CVT

and final drive shaft

SSP-G 180cc Cylinder Head ISO 9001 A precision needle bearing insideThis SSP G 180cc Cylinder Head is only for use with our GY6 180cc Power Kit. Specifications: Only for use with our GY6 180cc Power Kit Exhaust Valve Diameter: 22. 8mm Exhaust Port Diameter: 22mm Exhaust Port Bolt Hole Spacing: 50mm Intake Valve Diameter: 27. 75mm Intake Port Diameter: 23mm Intake Port Bolt Hole Spacing: 45mm 57mm "B case" stud spacing Overall Height: 66mm Compatibility: GY6 bikes running our GY6 180cc Power Kit 157QMJ based 125cc