I am pretty sure they are and i put them in my motor without taking notice to any differences and i ran them hard for several thousand miles with no issues, but now i've since parted the head out and the buyer of my skunk 2 valvetrain is asking me to seperate the intake springs and the exhuast springs. I know the stock springs are color coordinated, but i don't remember my skunk 2's being like that. Anyway if anyone could give me a second opinion i would appreciate it.

 

The Skunk springs are all the same. There is no intake and exhaust distinction.

 

thought so, thanks