【Product material】 : Using high-quality alloy materials, more sturdy and durable. 【Applicable models】 : Suitable for lawn mower carburetor lawn 52cc 49cc 43cc, chainsaw carburetor, irrigation machine carburetor and other equipment with a fixed hole pitch of 31mm. 【Product Features】 : The carburetor of the lawn mower turf is developed and improved by, which is more fuel efficient, environmentally friendly and easier to clean. start than other products. 【Package includes】 : 1x carburetor + 1x gasket + 2x starting pump + 1x air filter pipe fuel + 2 valves + 1 spark plug + 1 filter additional fuel.