Silscvtt Intake Air-out Valves Replacement for Chevy Cavalier Cobalt Malibu Alero Pontiac

Fitment:Replacement for ALL 2000-2010 ECOTEC engines in 2.0L 2.2L 2.4L displacementsReplacement for ALL 2000-2009 2.2 Ecotec VIN B,D,F,H ... Alero, Cavalier, Cobalt, G5, Grand Am, HHR, Ion1 Ion2 Ion3, L100 L200 L300, LS LS1,LW1, LW200, Malibu, Pursuit, Sunfire, VueReplacement for ALL 2006-2009 2.4 Ecotec VIN 5,B,P,V ... Aura, Cobalt, G5 G6, HHR, Malibu, Pursuit, Sky, Solstice, Vue, ION8x Intake Valve: Head 35.1mm X Stem 6mm X Length 102.2mm8x Air-out Valve: Head 30.1mm X Stem 6mm X Length 100.9mmPart Number: 12615936 12622329Package include:8 x Intake Valves8 x Air-out Valves 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