WAHL BROS. RACING No-Slip Drive Sprocket 9-Tooth 02-579A

Specifically designed for less rotating mass, Built to drive off of four track lugs and track clips at the same time (on full windowed tracks only), Extra involutes are eliminated with these sprockets, Some models will require the front of the slide rails to be shortened for clearance. It is recommended that the skid frame be installed without the springs and cycled to check rail tip clearance.