I have the gm stage 2 cobalt ss, and i have custom piping from the cat to the gm performance muffler, and took off the resonator. and i aem cold air intake. i just ordered the 2.85 pulley. is there anything else that i need to get before i put that on??

 

60lbs injectors would be ideal

 

thanks bro. will do. but do i NEED that before i put it on??

 

well its highly reccomended, you'll exceed 85% idc with the 42s probably. plus 60's are easier to tune for and will set you up for the future

 

arite cool, and do i need to get the larger tension pulley??

 

nope stage 2 belt will be fine.