Front Swaybars help, please

Planning "warm street" use (not attracting Smokey's attention)

Trying to decide which would be best for my '64ragtop 318/904

Hellwig # 55914 Summit # HEL-55914 $253.99 Hollow,1.25 in. Dia. Hardware Included

Hotchkis # 22385F Summit# HSS-22385F $289.97 Hollow, 1.5 in. Dia. Hardware Included

I think there's probably very little difference in quality. One is less expensive and the other is stiffer (maybe LOTS stiffer?)

Any guidance, opinions or experience much appreciated. Thanks!

BC