Heads Off. '79 Olds 403 Olds 403 Heads
403 olds might be a little hurt Modified Cylinder Heads: The package features Edelbrock Big Block Olds Heads that are expertly milled to fit the 403 small block. 8 This 1979 Trans Am: 403 Oldsmobile disassembly and info, Why the 403 olds? In todays video, we are removing the heads from the Olds 403. Then we are inspecting them before taking them to the machine ...