GEN III LS Gasket Set, LS9 Head Gaskets for LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L, for Chevy Silverado GMC Sierra 1500 2500 3500 1999-2010 Replace 12622033 12585673

Fitment:For Chevrolet Silverado 3500 HD, 2500HD, 1500, 3500For GMC Sierra 1500, 2500 HDFor GM Chevrolet LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0LPart Number:12558178, BTR73450, 12617944, 1261235012630223, 12633904, 12637683, 12585673, 1255817712639249, 89060436, 12551933, 12611384, 12622033Note:The GEN 3 Gasket kit includes items listed but excludes intake manifold gaskets

• 【Fitment】LS Gasket Kit fit for Chevrolet Silverado 3500 HD, 2500HD, 1500, for Express 3500; for GMC Sierra 1500, 2500 HD (1999-2010); for GM Chevy LS LS9 LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L engines. Note that the GEN 3 Gasket kit includes items listed but excludes intake manifold gaskets.
• 【Part Number】LS Head Gaskets Set- 12558178, 12617944, 12612350, 12630223, 12633904, 12637683, 12585673, 12639249, 89060436, 12551933, 12611384, 12558177, 12622033
• 【Sealed Well】The LS9 head gasket has excellent performance in sealing the oil, coolant and gas in the cylinder, which keeps a good working environment for the engine.
• 【Super Durability】Gasket kit can withstand the high pressure, high temperature and corrosive media of the car. Ensure durability and optimal operation at higher or lower temperatures.
• 【Important Note】The 5.3 LS Gasket Set Kit & 6.0 LS9 Head Gaskets are designed for the professional installer. It does not come with any installation instructions. If you do not have a service manual, please consult a professional mechanic before installation. Please check interchangeable part numbers to confirm the compatibility before purchasing.