I pick up my underdrive pulley at KB, but Summit has them for less. Make sure you raise your Idle up to 850-900 rpm or your charging system will not like it. Get the sway bar from Race Proven Motors. For brake pads look at these.
RaybestosQuiet Stop™ Brake Pads Features and Benefits:
Feature: A revolutionary ceramic friction formulation
Benefit: Ultra-quiet braking performance with ultra-low dusting
Feature: 100% shimmed, slotted and chamfered
Benefit: Exceptional durability, resistance to fade and rapid recovery
Feature: Integrally molded
Benefit: Superior strength
Feature: Coverage for late model domestic and import passenger cars and sport utility vehicles
Benefit: First to Market with O.E. specified ceramic applications and popular upgrades
Feature: Post-cured
Benefit: Requires no break-in period, for safe and consistent performance
I went with these about 5 years ago & now I use them on all my vehicles because they work great & it's easy to clean the rims.