Upgrade your engine's performance with the OEM O Ring, a high-quality 27mm Intake sealing solution designed for the ISG EFI system. Crafted with precision and durability in mind, this O Ring ensures a tight and secure seal, preventing air leaks that could negatively impact your engine's efficiency. Whether you're a professional mechanic or a DIY enthusiast, this O Ring is a must-have for anyone looking to optimize their vehicle's power and fuel economy. Engineered to meet OEM standards, this O Ring offers exceptional reliability and longevity, providing peace of mind on every journey. Don't settle for subpar seals that can compromise your engine's performance – choose the OEM O Ring for superior quality and performance.