kipa aluminium triple groove crankshaft pulley for sb chevy sbc 350 crank swp short small block chevy with a short water pump 6.6" satin aluminium finish durable 3-groove #8858 kipa <br><b>this is a brand new aluminum crankshaft lower pulley. this is a triple groove pulley designed for your small block chevy with a short water pump. this has a 6.6" diameter. constructed of thick gauge aluminum and with a high quality satin aluminum finish, this kit would be great addition to your project.</b><br> <br><b>specification:</b><br> pulley diameter is 6 9/16"<br> pulley is 2" tall<br> bolt pattern is 2 3/4"<br> center hole is 1 1/8"<br> machined from billet aluminium<br> these feature deep grooves to prevent belts from slipping<br>