Help your 1FZ-FE stay cooler and run at the optimal temperature, Our modified OEM Aisin Fan Clutch engages at 95 degrees. We also add CST Fluid and adjust the temperature springs to achieve a long term solution with a higher “lock up” rate. This is also known as the “Blue Hub Fan Clutch Mod”. This modification is very popular because it correctly matches the fan engagement to the water pump rotation dynamics.Fits all 80 series with 1FZ-FE Both N/A and SCFits all 80 series with 1HZWe have been running this same clutch for 3 years, on our 80 series, in hot temps low RPM, High altitudes with no issues!Please Call To Order