73-87 Chevy GMC Truck 3 Groove Crank Pulley OEM SBC 350 400 Squarebody C10 K10

For your consideration is a factory original OEM 3-groove crankshaft pulley removed from a classic square body truck. This is correct for Small Block Chevy [SBC] engines [305, 350, 400] running a long water pump setup with power steering and A/C.