DESCRIPTION --Fits small block Chevy 265 283 305 327 350 383 400 using a short water pump. --Double groove SWP pulley. --Finish: Polished --Material: Aluminum --Pulley diameter is 6 5/8". --Pulley is 3" tall. --Bolt pattern is 1 3/4". --Center hole is 5/8". --Package: Including all items in the pictures. Note: Professional Installation is Highly Recommended.
