Originally Posted by Big Fish 47

Taken from my mom's website:

Why should you use motorsport cryogenics?

-head is not prone to crack
-improvement in compression, fuel economy, engine vibration, and transmission shifting
-increases durability
-able to run tighter tolerances on all of the engine specs
-expansion and contraction in the engine from heating and cooling are now controllable
-oil blow-by drastically reduced
-increases in horsepower
-can run hotter temperature without any adverse effect
-no more warping or distortion of the engine components
-releases stress and stabilizes the metal
-cylinder and pistons will stay round and the ring will get a good binding seal
-heads stay flat
-cranks last longer
-can run significantly more races between rebuilds