I think the threaded hole is for the Intake air temp sensor but I am not sure what the fitting is for(brake booster?)     and I had Glen tap these for me but I cant remember what for  

<edit: deleted icon>   Bought a bottom end assembly from him. Initial transaction was smooth.  A couple weeks afterwords, I found that he had not been completely honest, it didn't have some of the machine work he said it did and the pistons weren't even close to being right.   I basically told him I felt ripped off after finding all the problems and was facing purchasing new pistons after having already to buy bearings and balancing to the tune of $250 (which would not have been necessa

ok so im looking for 12" subs that hit hard but dont need a lot of space for a box (sealed) i dont want to pay an arm and a leg for the speakers just something decent that hits good and will last a good while

Where the 16x8 and 16x9 wheels available without the SHP package?   thanks, Samuel Krauss