This is a Grade 5 Titanium Package of bolts for the transmission bell housing to the engine block of your K Series Engine k20a/k24a as well as the starter bolts to fasten the starter to the trans/block
These do not have left hand (rev) threads so make sure your engine doesn't take reverse thread bolts.
These are standard right hand threaded bolts.
Burnt Finish is anodized on just like the Golden Finish