Fortune Auto Bump Stops (Sold in Pairs) premium These extenders are designed to

These extenders are designed to replace the knobs on the rear of Generation 4

Replacement of seized external components (not including optional upgrades)

Extra springs allow to fine tune your setup

The fixed caster increases straight line tracking

Fortune Auto Bump Stops (Sold in Pairs) premium These extenders are designed toThese bumpstops offer a substantial increase in comfort for street use and a monumental increase in track performance due to significantly more progressive engagement than our previous standard offering. This change will result in a far more predictable engagement during high performance driving, allowing racers to take a more aggressive line with confidence. When tackling harsh broken pavement and potholes, street users will experience more comfort