well, i thought i'd share what i currently have. i've owned about 6 other impulses over the years, but these are what i currently have.
rat impulse 1- rip valve, was board, otb grip, ndz ram assembly
rat impulse 2- iframe, ecs vision board, rip valve
what i've been told is a tarantula milled imp body- jackal frame, was board, ndz ram assembly, rip valve, ndz bolt