This is a Single groove pulley designed for your Small Block Chevy 265 283 305 327 350 383 400 V8 Engines with a long water pump.
Made of thick gauge aluminum and with a high quality Satin Aluminum finish, no rust, long service life.
100% refund if you are not satisfied in 30 days since the day you order. 6-month quality warranty, please contact seller if there is something wrong with our items.