Product Description: High-Precision 3-4 Relay O-Ringed End Plug Kit for Optimal Transmission Performance Elevate your vehicle's transmission efficiency with our expertly designed 3-4 Relay O-Ringed End Plug Kit. Engineered for precision and durability, this kit is essential for maintaining the integrity and performance of your transmission system. OE Number: This 3-4 relay o-ringed end plug kit corresponds to OE number 77964 08K. It is molded and crafted according to original specifications, ensuring it maintains the integrity and compatibility with your car model. Fitment: Specifically designed as a replacement for 4L60-E, 4L65-E, and 4L70-E transmissions, these relay end plugs are manufactured with high precision to effectively prevent fluid leakage, safeguarding your vehicle's transmission system. Prevents Loss of Critical Oils: This kit is essential in preventing the loss of critical 4th signal and D3 oils. By preserving these essential fluids, it helps maintain the performance and longevity of your vehicle's transmission system. Improved Performance: Featuring excellent port sealing properties, this end plug kit ensures the smooth operation of relays. It enhances your driving experience by providing seamless and efficient transmission function. Restores Hydraulic Integrity: By restoring the hydraulic integrity of your vehicle’s transmission system, this end plug kit contributes to a more stable and reliable ride. It's an indispensable component for ensuring optimal vehicle performance. Upgrade your vehicle’s transmission with our 3-4 Relay O-Ringed End Plug Kit. Designed for high precision and durability, this kit is vital for maintaining your transmission system’s efficiency and reliability, enhancing your overall driving experience.