Engine number

CHAIN:89,90,91 1989 D21 2.4L TBI SOHC> Block Cast #Z24, 10W. Crank Cast #30W. In-Line Head Cast #0W, 10W, W04. Left Rear Dipstick... 1990 D21 2.4L FI SOHC>Built to 08/1989. Block Cast #KA24, T50, F40, F45 or none. Crank Cast #86G. In-Line Head Cast #40F. Narrow Intake Ports, Dist. In Timing Cover....1991 D21 2.4L FI SOHC>Block Cast #KA24, T50, F40, F45 or none. Crank Cast #86G. In-Line Head Cast #40F. Narrow Intake Ports, Dist. In Timing Cover. California emissions (Built to 07/1992) or Federal emission.