Stock harmonic balancer next to smaller underdrive crank pulley…

Belt-side comparison of two crankshaft pulleys on a pink shop towel over the radiator support: at left the stock three-spoke harmonic balancer with a wide multi-groove belt surface, at right a smaller-diameter machined underdrive pulley with a keyway bore, the crank bolt standing between them. A red "STOP" sticker is visible at the upper right of the engine bay.

AI caption June 2003 · Photo 103 of 499