System Features Ford 351M-400 3-Groove Crankshaft Pulley Kit. Includes pulley and hardware. Three grooves for accessories Made from solid 6061 aluminum Black hard coated finish Matches OEM offsets and diameters Includes mounting hardware CNC machined for precision and balance Based on D0AE-6312-C3 Fits 69-82 351C, 351M and 400 engines Offset designed for 77-79 F-Series trucks and Broncos Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65
