I have these springs on hand. Are they suitable for use with CC503 cam and 1.6 rockers? Know nothing about them and do not recall seeing them mentioned in posts. Part number is 8805-A.
Brand: Isky Racing Cams
Product Line: Isky Valve Springs
Number of Springs Per Valve: Dual
Outside Diameter of Outer Spring (in): 1.530 in.
Coil Bind Height (in): 1.160 in.
Damper Spring Included: Yes
Spring Rate (lbs/in): 400 lbs./in.
Inside Diameter of Outer Spring (in): 1.110 in.
Inside Diameter of Inner Spring (in): 0.730 in.
Valve Spring Style: Standard
Coated: No
Quantity: Sold as a set of 16.

Valve Springs, Dual, 1.530 in. Outside Diameter, 400 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16

 

Isky makes good stuff, depends on what height you install them at.

 

get some comp cams 918 beeheives, then when you want a biger cam you won't have to change the springs