18-Up Wrangler JL/Gladiator Factory Replacement CV Joint Kit High-Angle Rzeppa TeraFlexThe TeraFlex JL JT: Factory Replacement Rzeppa CV Joint Kit replaces a worn or damaged factory Rzeppa CV joint without resorting to an expensive aftermarket U joint conversion while still allowing angles of up to 15 degrees. The flared CV housing reduces boot failure associated with 3 Inch or more lift. The included low friction grease is engineered specifically for the high RPM needs of the JK Rzeppa CV Joint and features high viscosity surface