Just a little info for everyone, seems a lot of people are running the PAC 1409X springs on their stockers. I had some issues finding an ID locator spring cup that would work because well, they didn't make one. Ended up having to make some for this particular head. When I questioned PAC, although they didn't recommend it, they said most were more than likely just throwing the 1409Xs in the head without a cup. Now fast forward to having my break in rockers not work, I needed a solution for a light spring for break-in. I ran across a direct drop in that works perfectly with the cup and the retainer from the 1409X... they're factory beehive Dodge Viper springs that will show about 85lbs at 1.800 (closed). Hope this helps someone in the future.
