🚗【Precise adaptation】Oil Valley Block Off Plugs Suitable for Chevrolet, GM, Oldsmobile, Cadillac equipped etc with Gen IV LS1 L99 LSA LSX (2005 - 2018) and Gen V L83 L86 LT (2014 - Present) engines series Note: They are designed to fit with the original DOD/AFM valley cover not with non-DOD/AFM valley covers or aftermarket valley covers. 🚗【Performance optimization】 Crucial when converting from DOD/AFM lifters to traditional LS/LS7 style lifters. These plugs effectively seal the oil passages, optimize internal engine pressure and lubrication distribution, which is vital for achieving enhanced power output and smoother operation. 🚗【Durable material】Made of high-quality stainless steel metal alloy, the plugs possess excellent strength and corrosion resistance. This reliable material guarantees long-term performance and durability, even in the harsh operating conditions of the engine. 🚗【Easy to Install】Install the plug by gently tapping it into the oil pipe hole. Keep installing until it is flush with the bottom edge of the plug itself. There is a 4mm × .7 thread on the top of the plug, which is convenient for disassembly and also beneficial for subsequent maintenance and modification work. If the plug cannot be inserted due to installation clearance issues, it is recommended to freeze the plug for one hour before installation. 🚗【Packaging and quality assurance】 This set of products contains 10 plugs, 8 are used for each vehicle and 2 are spare, which can fully meet the sealing needs of your engine oil passage. Rigorously tested to meet or exceed industry standards, these plugs are assured of performance and durability, making them a reliable choice for automotive enthusiasts and professionals alike. Our Oil Valley Block Off Plugs for Chevrolet, GM, Oldsmobile, Cadillac that are equipped with Gen IV (2005 - 2018) and Gen V (2014 - Present) engines. When replacing the DOD/AFM lifters with the traditional LS/LS7 style lifters, it can effectively seal the oil passages, optimize the internal pressure and lubrication distribution, and ensure smooth and stable operation. It can be seamlessly installed during engine upgrades or repairs. The 4mm × 10 thread on the top of the plug is convenient for disassembly, facilitating maintenance and modification,It has undergone strict testing and meets or exceeds industry standards, making it a reliable choice for both car enthusiasts and professionals.

【Specifications】
Plugs Material: Stainless steel
Dimensions: 0.54 x 0.31 Inch
Quantity used: 8 being used for each vehicle and 2 as spares.

【Package Included】
Oil Valley Block Off Plugs------------10-Pieces/Set

Notes: Please check compatible models before purchasing.
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Attention: Products contain small parts, keep away from children to prevent mistaken swallowing!