1979 Pontiac Firebird Trans AM VIN: 2X87K9N172606 - CLASSIC.COM,United States Patent (19) : Tsymberov 45 Date of Patent: Dec. 6, 1994 | PDF | Phase (Waves) | Resonance,United States Patent (19) : Tsymberov 45 Date of Patent: Dec. 6, 1994 | PDF | Phase (Waves) | Resonance,1979 Pontiac Firebird Trans AM VIN: 2W87Z9N148419 - CLASSIC.COM,ZSpeed Heavy Duty CSC HD Clutch Slave Cylinder,