FK Black Bump Rubber, Super SoftHyper Racing # 389 426 This FK Bump Stop is 2 1 8" tall, 1 2" Internal diameter hole. A bump rubber is used to keep the car from bottoming out and to add spring rate and therefore dynamic corner weight when the chassis travels far enough to get into the bump rubber. Generally, bump rubbers are used on the left rear shock. It is used on winged racing in some situations to keep the car from bottoming out on the left rear on entry which will kill

Does not include the two spindle mounting bolts

Hyper Racing # 388-4002

Raising the wing height will create more left side weight

Hyper Racing # 03-140

Hyper Racing # 081-042

Bearing and snap ring are included

Fits all X7 and 07 & Up Hyper 600cc chassis if using the X7 arm guards

Hyper Racing # 16-624

Two sizes are available for either LF and RF applications

Adjustable from 6 to 4 valving on rebound and a 3 on compression

High-quality components coupled with a factory-greased X-seal ring ensures superior rigidity

Hyper Racing # 382-749-1