ButlerBuilt King Pin To King Pin Tether System - 51-53" Axle 23000BK 19%-55% increase in sway bar

19%-55% increase in sway bar rate (front)

Upper To Lower

2800-3200 lb Car Weight

1964-1964 Dodge 330

a whopping 220% increase that totally eliminates failure at this point

ButlerBuilt King Pin To King Pin Tether System - 51-53" Axle 23000BK 19%-55% increase in sway barKing pin tether from Butlerbuilt is required by World of Outlaws and many other Sprint Car sanctioning bodies and tracks. It hooks to the king pins so that they will remain with the race car in the event of a crash. Racers have chosen BUTLERBuilt Professional Seat Systems for their seating needs for decades. BUTLERBuilt has always been proactive in their approach to seating issues. BUTLER Built works hard to stay abreast of any and all seat related