Thermostat Bypass Kit For 6L80 6L90 And 8L90 Transmissions With CNC Machined Parts And O Rings Transmission Cooler Bypass System For Gearhead Approved High Performance Vehicles Durable Aluminum Build Easy Install

Thermostat Bypass Kit for 6L80/6L90/8L90 - CNC Aluminum
✔️ 1 Pack: thermostat bypass kit with CNC machined aluminum parts

This thermostat bypass kit is designed for GM 6L80/6L90 and 8L90 transmissions. It enables direct cooler flow by bypassing the thermostat, helping maintain stable temps under high-load or performance driving scenarios.

✅ Durable aluminum alloy construction (T6061) with Buna O-rings
✅ Precision CNC machined parts for a precise fit
✅ Fits 6L80/90 and 8L90 transmissions
✅ Reusable design with replaceable O-rings for cost efficiency

💡 What is a transmission thermostat bypass kit used for and how does it benefit performance?

Using this kit helps regulate transmission fluid temperature, improving efficiency and reliability during high-load driving.

- Optimizes temperature management for automatic transmissions in high-performance builds - Compatible with 6L80/90 and 8L90 transmissions for easy upgrades - CNC machined aluminum body with Buna O-rings for durability - Plug-and-play installation minimizes downtime ✝️