When a rear trunk roller breaks, it often jams the trunk spring and prevents entry to the trunk. Replace deformed or broken spring rollers with our bullet-proof metal rollers. They will not deform old age or summer heat. The pot-metal cam that operates the lock often snaps off, leaving you stranded. Our new extra-strength nylon cam won't break and is a big saving over a complete new lock. Installation is easy, and out easy-to-follow instructions tell you how to get into the trunk to make the repair.