Cylinder Head; 139QMB daelim Maximize your scooter's carrying capacity

Maximize your scooter's carrying capacity without the bulk of a hard topcase

Heavy-Duty Construction: Built from coated steel mesh that is significantly more durable and UV-resistant than plastic crates

removes the factory rev limiter — allowing your engine to reach higher RPMs and sustain power through the top of the rev range

reduces heat and puncture risk

Excellent quality acrylic

Cylinder Head; 139QMB daelim Maximize your scooter's carrying capacityThis cylinder head replaces the stock equipment on bikes running 139QMB engines. Don't forget a new gasket (part number 1100 1331) and the valve assembly (part number 1100 1328)! Original Parts For Scooters SKU 151 213 Specifications: Bore: 39mm Exhaust Bolt Hole Spacing: 49. 75mm Intake Bolt Hole Spacing: 44. 75mm Compatibility: 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2