Tired of wearing out your 1991-1997 Toyota Land-Cruiser FJ80/FZJ80 birfield CV joint? The ultimate FJ80 birfield joint solution is here, the Nitro Birfield chromoly CV joint with 300M inner race for added strength. This durable aftermarket Birfield joint upgrades your 1991-1997 Toyota FJ80 to chromoly which overcomes the known failure of the factory FJ80 Land-Cruiser birfield joint.