Description:Made of metal and plastic material which is durable and can use for a long time.The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector.Specification:O-Rings Included: Yes, preinstalledOrifice Type: 2 Holes DiscMaterial: Metal, PlasticColor: BlackVoltage: DC 12VOE Number: 12586557 Pin Number: 2Dimension: 59x36x15mm/ 2.32"x1.42"x0.59"(L*W*H)Note:This installation should be done by an experienced mechanic who has access to a factory manual and all required tools!Please check the fitment section of this listing before you bid.This is a non-OEM product, accessory only!Fitment:for Buick Rendezvous 3.5L V6 2006-2007for Buick Terraza 3.5L V6 2005-2006for Chevrolet Malibu 3.5L V6 2004-2006for Chevrolet Upander 3.5L V6 2005-2006for Pontiac G6 3.