The Rigor Motor is 4/12 in the 1999 Treasure Hunt series, car 21091, and collector number 932.
The hot rod is neon yellow emblazoned with black, red, and silver flames on the top.
Features include yellow windows, a chrome interior, gold 5-spoke wheels, and a black metal Malaysia base.
The Rigor Motor made its Hot Wheels debut in the 1994 New Model series. It is an original casting of a coffin-shaped hot rod with a massive engine and bubble canopy.
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