{"product_id":"universal-parts-150cc-gy6-complete-cylinder-head-emission-164-302","title":"Universal Parts 150cc GY6 Complete Cylinder Head - Emission","description":"Universal Parts Complete Emissions Type 57mm Cylinder Head for 150cc GY6 4-stroke QMJ157 engines.\u003cbr\u003e\u003cbr\u003eEmissions Type a.k.a. 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.\u003cul\u003e \n\n\u003cli\u003eEmission Control System: Pulsed Secondary Air Injection System (PAIR)\u003c\/li\u003e\n\u003cli\u003eOverall Height: 60mm \n\n\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 57mm  \n\n\u003c\/li\u003e\n\u003cli\u003eIntake Port Diameter: 24mm  \n\n\u003c\/li\u003e\n\u003cli\u003eExhaust Port Diameter: 24mm\u003c\/li\u003e\n\u003c\/ul\u003eGY6 QMI\/QMJ 152\/157\u003cp\u003e \u003c\/p\u003e\u003ch3 style=\"color:#983D3C;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":49986011234584,"sku":"164-302","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/452508.jpg?v=1744827839","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-150cc-gy6-complete-cylinder-head-emission-164-302","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}