These are the list of parts I used for my (budget)conversion.

Part Manufacturer Other
350ci engine General Motors 4 bolt main, stock bore and stroke.
Heads General Motors Stock
Intake Edelbrock Performer RPM
Camshaft Melling
Intake Exhaust Intake Exhaust

Valve Lift

Cam Lift
.447 .447 .298 .298

Lobe Centers

Duration @ .050
110° 118° 223° 223°
  SAE Timing
291° 291°
Timing Chain Unknown roller type
Lifters ? Hydraulic
Rings Hastings  
Bearings Clevite  
Pistons Unknown Hypereutectic flat top, stock compression
Oil Pump Melling High volume
Gaskets ROL  
Spark Plugs AC  
Spark Plug Wires   8mm high temp silicone (90° boot)
Carburetor Holley 4150 600 cfm double pumper
Headers Hedman  
Chrome Valve Covers & Air Cleaner Summit Racing  
Chrome Thermostat Housing Summit Racing  
Chrome Oil Dip Stick & Tube Summit Racing  
Chrome Dual-feed fuel line Summit Racing On the second, the first one was defective and sprayed gas everywhere!  I was not happy!
Torque Converter B&M Racing Torque Master 2000 (2000 rpm stall)
Shift Kit B&M Racing Shift Improver Kit - street/strip mode
Radiator ? Corvette replacement, aluminum single row
Rear axle General Motors Stock 7 1/2", 3.41:1 ratio
Starter Powermaster Gear reduction starter
Tires Widetrack H/R (old) 215/60 R15 H-speed rated
Exhaust N/A 2 1/4" Dual
Mufflers (2) Dynomax Super Turbo's (also used on the 2.8)

New Items Installed 4/00
Digital Ignition Accel 300+ with HEI coil
Valve Springs Pioneer High performance springs
Rocker Arms Summit Racing Roller tip 1.6 ratio
Timing Advance Re-curve Kit Summit Racing New weights & springs
Locking Differential Powertrax Performance Locker
Traction Bar Lakewood Industries Universal.  The addition of the locker necessitated the need for traction bar due to severe wheel hop.  It has reduced wheel hop except it can still be severe sometimes.