[Mark IV]

Originally Posted by DanEC

Actually Brent pointed out last spring that Quicktime SFI rated and non-rated bellhousings are not the same and posted links to them. The SFI rated BH has a larger bolted flange around it, similar to the Lakewood. The non-rated BH has a smaller flange with fewer bolts securing it.

Here is the unrated one. http://www.summitracing.com/parts/qti-rm-6056/overview/

And here is the rated one. Quick Time Bellhousing RM-6056-SFI Quick Time Ford Engine Bellhousings - Free Shipping on All Orders @ JEGS

I stand corrected!

I was told they are the same although I thing the non-rated unit would be fine for most street use.