

❄️ Stay Cool, Drive Confident: Upgrade Your Transmission Game
The WIT Superior 6L80/6L90/8L90 Sure Cool System Upgrade (STL010) is a compact, high-performance transmission cooler bypass that reduces operating temperatures by up to 20%, enables immediate cooler fill, and allows accurate fluid level checks without warm-up. Designed to minimize overheating risk and extend automatic transmission fluid life, this upgrade is essential for maintaining peak transmission health under load.


| Manufacturer | Superior |
| Brand | WIT WHATEVER IT TAKES TRANSMISSION PARTS, INC |
| Model | COOLER FLOW BYPASS |
| Item Weight | 3.87 ounces |
| Product Dimensions | 4 x 4 x 1 inches |
| Item model number | STL010 |
| Manufacturer Part Number | STL010 |
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