almost bought a 370z today

Originally Posted by m4a1mustang

Don't even buy the spring. Just take the OEM spring out and give it a try. You'll probably find that you love it and will end up saving yourself $15 or so for a new spring.

A friend gave me a spring for free... yes, it is a lot better than stock... but no spring at all is best. Verify you like it, then remove the entire assembly.

Don't be surprised if you shed a tear or two, especially when you realize you could have spent the last 4 years with clutch feel if you did it right when you bought the car.