I am using the Proform Self Aligning roller rockers, and they are junk... the washers are getting worn (I only have 10,000 miles on them) and I have had to replace 2 of them the self aligning washer guides are getting bashed up. well most of them are still ok. But I am getting some clicking noises from the rockers or maybe just one or 2, its pretty loud and noticeable from inside the car, and you can hear it under the hood as well, but it only happens when you rev the engine. I replaced the pushrods thinking maybe one was bent. Could it be the slack between the guides?