Well after taking 2 years too long to get my built engine finished and in the car I noticed a slight issue when test fitting everything on the engine stand. I am not sure how I did it but the aftermarked hella expensive crank pulley is a 8 rib and all the accessories on my cobra are 6 rib. Is anyone just using a 6 rib belt like this with any luck? I am just sitting here scratching my head but it looks like the grooves line up.