SPECS:
30 = SPLINE COUNT (29 based on 30)
1.280" = APPROX SPLINE INSIDE MAJOR DIAMETER
1.650" = APPROX OUTSIDE "GROUND HUB" DIAMETER (rough cast/not used)
3 3/4" = APPROX SPLINE DEPTH
3 3/4" = APPROX LENGTH, END OF SPLINE TO FLAT OF FLANGE
3.125" = APPROX MALE PILOT DIAMETER
VENTED PLUG
NEW - DISTRIBUTED BY NEAPCO
*INCLUDES 4-bolts