Here is a good start...
Convert HA car to IC car- Conversion parts list
All front engine accessory brackets with pulleys and belt tensioner
Complete intake with all sensors
87 ignition module, coil, and all wiring for it
87 hard metal heater lines on top of intake
87 throttle body
87 throttle cable
87 MAF with air intake tube and air box
87 detent cable
Downpipe
87 catalytic converter
Drivers side oil fill neck
Passenger side header
Passenger side valve cover with vent tube
87 transmission dipstick and tube
87 heater core
87 alternator, ac compressor, power steering pump with remote reservoir
A/C lines
87 radiator hold down
87 radiator
Oil cooler lines
Main engine wiring harness
87 fuel lines
Intercooler with all brackets
Intercooler fan
Intercooler piping
Intercooler scoop
87 air dams and deflector
87Turbo
Turbo brackets and heat shield
Turbo oil feed and return lines
Electric fans
All hardware including any nuts, bolts, or fasteners needed
http://www.turbobuick.com/forums/general-turbo-buick-tech/250756-need-help-85-87-
conversion.html
http://www.turbobuick.com/forums/hot-air-non-intercooled-tech/318759-ha-ic-conversionparts-
list-help.html