Silscvtt 24 x Intake and Air-out Valve Replacement for Buick Allure Enclave Lacrosse 3.6L

Fitment:Replacement for Buick Allure Enclave Lacrosse 3.6L DohcPart Number: 12575351, 12575354Engine code: LY7, LLT, LF1 VIN 7, D, V, T12 x Intake Valves: Head 37mm x Stem 6mm x Length 101.3mm12 x Air-out Valves: Head 30.6mm x Stem 6mm x Length 97mmPackage include:12 x Intake Valve12 x Air-out Valve24 x Valve Stem Seal About this item fabric The purpose of the intake valve is to suck air into the engine and mix it with fuel for combustion The function of the Air-out valve is to discharge the burnt fuel and air mixture This multi valve structure is easy to form a compact combustion chamber, and the fuel injector is arranged in the center, so that the fuel air mixture can burn faster and more evenly The weight and opening of each valve shall be reduced appropriately to make the valve open or close faster In order to improve the efficiency of intake and Air-out , multi valve technology is adopted now. It is common that each cylinder is arranged with four valves, and four cylinders have 16 valves in total See more product details