SSP-G QMB139 50cc, 4-stroke Performance Exhaust - Round complete switch assembly Unlock more power from your

Unlock more power from your 50cc 2-stroke scooter with the NCY 72cc Big Bore Kit

The main bearings are installed

1 × Variator drive boss (13x20x38)

machine-washable cloth inner liner that shields your belongings from road dust and prevents small items from slipping through the weave

This kit will fit on all Primavera and ET3 scooters

SSP-G QMB139 50cc, 4-stroke Performance Exhaust - Round complete switch assembly Unlock more power from yourStainless Steel Round After Market Performance Exhaust for QMB139 50cc 4 stroke engines. Round Muffler Head Pipe Bolt Hole Spacing: 50mm Head Pipe Inner Diameter: 25mm Muffler Overall Length: 16. 5 inches Includes Removable Silencer Includes Mounting Kit with Premium Gasket QMB139 50cc 49cc This product is not intended for use on public roads or land.