Been reading some older posts and can't come to a definite answer. If I put kelfords 272 in my Evo IX will i need to get retainers as well or will Forced Performance Bee Hive springs be enough. I don't ever rev past 7.5k.

Thanks

 

You can reuse the stock retainers with the FPs...

 

Stock should be fine. I've actually read alot of people only do springs and keep the rest of the stock valvetrain.

 

at 7.5k you should be fine w/ the stock springs.