RE Suspension Bump Stop Puck, Roller Blade Style, 3 Series, 2.000" OD, 0.625" ID, 1.000" Tall, 50 Durometer, Polyurethane, Black

The RSW line of bump stops produce a relatively linear curve. These are good, all-around bump stops that work very well at all race tracks. RSW stops are thermo set making them consistent with heat. Not recommended to run inside a cup.