I'm thinking about buying 1.9 rr and 105# valve spring and retainers. i was wondering what i would need to install the rockers and what it would take. i also need to know how to do it. If i could get step by step instructions (not skipping the small stuff either lol) i would appreciate it. I need step by step instructions, the tools i'll need, and how long it will be. also any tips or anything else would be appreciated. thank you all.