【Up to 20% Cooler Transmission】
Keep your transmission running significantly cooler. This bypass valve kit reduces average operating temperatures by up to 20%, preventing overheating damage, extending ATF life, and ensuring consistent performance under load.
【Guaranteed Perfect Fit】
Directly replaces OE# STL010. Fits 2014-Up GM 6L80/6L90E & 2016-Up 8L80/8L90E/10L90 transmissions.NOTE: Confirm your vehicle's year/make/model in the description for a sure fit.
【Built Strong to Last】
Constructed with high-quality metal and reinforced rubber components, this kit is engineered for durability and reliability. It meets or exceeds OEM specifications, tested rigorously to perform under real-world conditions.
【Instant & Accurate Fluid Checks】
Features an integrated safety bypass that instantly fills the cooler, allowing you to check transmission fluid levels accurately—no warm-up cycle required. Helps stabilize system pressure for reliable, smooth operation.
【Easy & Tool-Friendly Installation】
Designed for straightforward installation using basic hand tools. Save time and avoid complex procedures—get your upgrade done quickly and confidently.