1974 Pontiac Trans Am (Rare, 1 of only 2,914 Produced in Automatic) Matching Numbers 400 Engine Automatic Transmission Power Disc Brakes Power Steering PHS Documented This Pontiac is a great example of a well maintained and original piece of History. With only 2,914 Pontiac Trans Am /400 automatic produced in 1974, itâs becoming very difficult to find nice examples and this car is destined to be a great investment for the near future. Mechanics Matching Numbers Engine Block Code YL â 400 Engine - L78 - 225 HP I believe the drivetrain is original but have not confirmed 4 Barrel Carburetor Automatic Transmission Power Steering Power Disc Brakes Freshly Installed Battery Recently Installed Exhaust System Dual Exhaust with Chrome Tips Original Headers are Included Currently Garage Kept Car Cover Included No Known Mechanic Issues Great Running & Driving Vehicle