Description of 🔧 LIMICAR Rear Main Seal Oring Gasket Crankshaft BS40640: Compatible with Chevrolet GMC Hummer Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5.7L 6.0L - High-Quality Engine Seal for Precision Fit
✅FIT FOR: Chevrolet GMC Hummer Pontiac Saab Isuzu 4.8L 5.3L 5.7L 6.0L. ✅OE/INTERCHANGE PART NUMBER: BS40640. ✅SPECIFICS: LIMICAR Head Gasket prevents liquids and gases from escaping into adjacent cylinders and the surrounding oil and coolant galleries. The purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders. They are designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports. ✅FUNCTION: LIMICAR Head Gasket systems can withstand high pressures, high temperatures and aggressive media of a car. Cylinder head gaskets also act as a force transmission element. LIMICAR give technicians not only the gaskets the project requires, but the very best technology available. ✅NOTICE: Please check the description and compatibility chart before your purchasing. All the products have been inspected before sending out. Instruction is not included. Professional installation is highly recommended. Any questions, please feel free to contact with us.