Ellis
O/S Main Spring For Ellis
20-3/4 inches total length
20 inches inside of hook to inside of hook (see measurement diagram)
16-1/2 inches body length
3-5/8 inches outside diameter
2-7/8 inches inside diameter
~3/8 inch wire diameter
39/40 coils
15-006 Main Spring
17-032
17-051A
17-051B
19-020 Cam Kit