I was picking up some parts for my Raider and one of the desk guys at Autozone asked me if I wanted to buy a non-jet valve head he was running on a Conquest turbo. I'm kind of new, so I thought I'd ask the experts. Dependability matters more than performance to me at this stage, but a few extra HP wouldn't hurt. The head is complete and I'm not sure how many miles on it. He's asking $100. Should I buy it and if I do, how much extra work am I looking at installing that head versus just putting in the jet valve elimination kit (other than actually pulling off the head)? Is it worth the hassle?