Only problem is that I can't seem to find any. Both online and at shops nearby. Does anyone have any advice, tips, or suggestions?

Well, for starters it would be nice to know if you drive a 1957 or a 2005, or something in between? If it'* 87-99, I think you'll find performance calipers aren't available for it, nor are they needed. Upgrade your rotors and pads instead, but don't overlook your rear drums.

Sorry, beginners mistake. I drive a 2003 Bonnie w/o supercharge. Already upgraded rotors to drilled and have duralast gold ceramic pads. The pads were supposed to be dust-free but the rotors pretty much make that impossible. Have already lost 2 brake caliper bolts, I think from the added force from the rotors to the pads so I wanted to try something like brembo calipers. Aside from the added stopping power, it would make my 03 look a bit more aggresive.

Well, the drilled rotors are costing you braking power, and you should be using ceramic pads if you want stopping power with no dust.

The drilled rotors are also quite a safety risk. They're not really intended for street applications, and slotted rotors are far better and safer. Each hole you have is a chance to shatter a rotor, and each hole also decreases your braking surface area.

I see... Well, the pads are ceramic but the rotors have a sort of electric razor effect on them. I have been told that they warp but was not aware that they crack. And I did ask for slotted when I bought these rotors but thought I was getting a better deal for the buck by getting drilled rotors instead. A co-worker who'* quite a gearhead did mention that by getting stainless brake lines I would get far better performance with any kind of rotors. Regardless, I would still like to know where to get performance calipers if they are available.

We'll need someone with a 2k model to chime in. I'm not aware if there'* a performance caliper available. I also seriously doubt stainless lines would make any noticable effect in felt braking power if your OEM brake lines are still in good condition.

I run original brake lines on both of my cars, and slotted rotors with ceramic pads on my 93, and I have great stopping power and no complaints. And that'* with front disk, rear drum. You have 4 discs. I'd think you would have better braking than me.

we have seen big-brake kits available from a handfull of sourced, but noone that i know of has actually installed one of these kits. this is an example of one.. http://www.p-*-t.com/sport/sipontiacdbk.html

Your most likely loosing caliper bolts as a result of under or over torqueing, YES overtorqueing can result in a non-effective fastener

also, reserch this thread: http://www.bonnevilleclub.com/forum/...=brake+upgrade

ssbrakes.com has a big brake setup with rotors and all check em out.As for the drilled rotors, im with bill my drilled rotors are now clocks on the wall they suck. get a pair of powerslot rotors and hawk pads and you will be happy.

Yup. Powerslot uses Brembo blanks and makes them better. I've read great reviews on Hawks, but currently have Raybestos Ceramics on the Zilla. Love 'em.

I don't know of how much this applies, but may be useful for older Bonnevilles...

For Reattas, you can swap like '98 Aurora calipers and rotors. All you have to do it drill out the mounting hole.