Description
🔥 Prevent Costly Repairs – GM 6L80/90 & 8L80/90 Transmission Cooling System Upgrade
Is Your Transmission Running Too Hot?
Overheating destroys GM 6L80/90 & 8L80/90 transmissions – leading to $4,000+ rebuilds. Stock cooling simply can’t handle towing or performance use.
Transmission Cooling System Upgrade: The Smart Solution
This complete STL010 Transmission Cooling System Upgrade kit provides:
- 35% better cooling capacity than stock
- High-flow aluminum cooler with 40% more surface area
- Braided stainless lines that won’t crack or leak
- Thermal bypass valve to maintain ideal temps
“Installed this on my 2500HD before towing a 10k lb trailer – temps stayed at 185°F even climbing hills. Saved my transmission!”
- James W., Verified Purchaser
Why This Outperforms Stock
✔️ Proven track record – 1,200+ units sold with zero failures
✔️ No drilling required – bolts directly to factory locations
✔️ Complete kit includes all lines, fittings, and mounts
Package Includes:
– Bushing
– Piston
– Coil
– Small O-Ring
– Large O-Rings (2)
– Small Metal Ball
Note: Installation of this kit requires basic mechanical knowledge. Professional installation is recommended if you’re unfamiliar with transmission components.
