The JOMAR Professional Degree wheels are available in both 10" and 14"
diameter with a 1.250" center mounting hole, designed to use the JOMAR mounting hub and adapter kits (sold separately).
The hub bolts to the crankshaft using the proper adapter, and features a knurled nut
that allows quick and secure adjustment of the degree wheel . The wheel is degreed on both sides;
side A for checking lobe centers, and side B for checking cam duration.
Instructions and laminated reusable spec. sheet are included.