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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Standard butyl rubber construction
Compatibility: CVK / GY6 Style Carburetors
* 5 year warranty
It also will not fit small-spline AF18 or AF05E vintage 2-stroke engines
does not include cylinder head
Cylinder Head & Valve Assembly; CSC go., 139QMB Scooters phbg Standard butyl rubber constructionThis assembled PAIR style cylinder head fits CSC go, go MAX and Pug scooters and bikes running 50cc 4 stroke 139QMB engines. Pulsed Secondary Air Injection System (PAIR) is an emissions control system used to lower hydrocarbon (HC) and carbon monoxide (CO) emissions by allowing air into the exhaust flow. Original Parts For Scooters SKU 151 240 Specifications: Intake Port Diameter: 17mm Exhaust Port Diameter: 17mm Valve Length: 69mm Emission Control
