FR1800B MIL-SPEC UNIVERSAL JOINTS

These universal joints are manufactured to military specifications for aircraft and have become the select choice of drag racers due to the lightweight design. Lubricant-filled silicone boot provides maintenance-free operation for extended universal joint life. This boot is designed for high temperature environments with a continuous rating of 650° Fahrenheit. Please note nominal size is outside diameter. Not for street use. Specification & Performance Charts (PDF)