Moroso Gilmer 18 Tooth Crankshaft Pulley - 0.5 in Wide - 3/8 in Pitch - 1 in Mandrel - 1/8 in Keyway - Black Anodized - Universal SPBXL3 Performer RPM #60509 is semi-machined

Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter

Can only be used with programmable MSD Ignition Controls and Accessories

Want to use a factory style spring with the shock in the factory location of your 1963-1987 C10

5-Pin To 5-Pin

255MM) steering wheel

Moroso Gilmer 18 Tooth Crankshaft Pulley - 0.5 in Wide - 3/8 in Pitch - 1 in Mandrel - 1/8 in Keyway - Black Anodized - Universal SPBXL3 Performer RPM #60509 is semi-machinedProduct Description: Crankshaft Pulley Gilmer 18 Tooth 0. 5 in Wide 3 8 in Pitch 1 in Mandrel 1 8 in Keyway Aluminum Black Anodized Universal Sold Individually Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment,