These contain approximately a 4" rise from the floorboard tab to the peg mount. Cone - Open Primary Made to fit Shovelhead or Evo motors with a nose cone and open primary's with 1.5" belt or stock chain drive. You may need to purchase our Mid-Peg Tab Set to verify fitment 5/8" diameter solid round bar Generator - Closed Primary Made to fit generator motors with closed primary's. Mount directly to your factory floorboard tabs on stock H-D big-twin rigid frames. 5/8" diameter solid round bar Generator - Open Primary Made to fit all generator motors with open primary's with 1.5" belt or stock chain drive Mount directly to your factory floorboard tabs on stock H-D big-twin rigid frames. 5/8" diameter solid round bar All options are compatible with our Chopper Style Pegs. If you have any questions about fitment on your bike, we have put together 1:1 scaled drawings. You can print these out and cut them to use as templates for test fitment on your bike. Safari users may need to right click to download. Cone - Open Primary Generator - Closed Primary - '36-'54 Generator - Closed Primary - '55-'69 Generator - Open Primary