I use a Powertrax Lockright. Just wear earplugs so you don't hear the knock-knock around slow turning corners or the cops coming after you smoked the tires real good.

1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.