Yes, I'm using the chevy kit, the shorter bolts are just barely long enough, but all the nut threads are fully engaged. It also allows clearance for the MAC headers to come on and off.
Hey gusy, i couldn't have come accross your posts at a better time.. I am in the process of getting parts for my project SC. and wasn't sure what parts i would need until now (i think).. Uuumm so if i am understading this correct, should i buy the ARP 233-4303 & ARP 233-4303 ???? Thanks guys..