Its a KRE brace, I own one and 2 Mega Brace's. The KRE brace is still in my tool box and both SD brace's are in service. There are very good reasons for it.
The SD brace is better in every single way. The KRE brace, you have to drill AND tap 5/16" coarse threads in your freaking block, right on top of your cam bearing bosses....... Nope, nope.
It is simply held down by small 5/16 bolts, what could go wrong ?
The SD brace has steel plates that sandwich your lifter bores, clamp around them. You can take a pry bar and rip that KRE brace out. Not happening with a SD brace. Its held down by eight 3/8" grade 8 bolts into steel. Not self tapped into cast iron right on top of your lifter bores. Carefully fit your aluminum blocks to your lifter bores. Put in place, mark contact points with sharpie and grind away aluminum, repeat until you get as much full contact as possible. And when you put the JB Weld on have a old hyd lifter on hand to check for lifter bore distortion. The brace can pull hard enough to make that happen.
About the only thing the KRE brace is good for is if someone wanted to take a chance and slowly nickel weld the brace on a block. And that a big chance too.
The KRE brace is a POS in my opinion.. Little contact area and held down by self drilled small bolts, all bad.
I am no KRE hater either, I like their stuff. Just not this one.
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