Universal Parts

Universal Parts QMB139 Cylinder Head - Emissions

SKU 151-76
$46.00
Shipping calculated at checkout.
Description
Universal Parts PAIR Style (Emissions) Cylinder Head for 50cc 4-stroke QMB139 engines.

PAIR is an acronym for Pulsed Secondary Air Injection System. It is an emissions control system used to lower HC and CO emissions. It works by allowing air into the exhaust flow.

  • 39mm Bore
  • Intake Port Diameter: 17mm
  • Exhaust Port Diameter: 18mm
  • Emission Control System: Pulsed Secondary Air Injection System(PAIR)


QMB139 50cc/49cc , Various unlisted makes/models
Product Diagrams
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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