LS your SBC.

Use your LS truck power steering pump and alternator.

I have black or Silver.

Includes all brackets, LSSimple , small metal power steering pump pulley,ac compressor, tensioner and belt.

Small frame and large frame LS truck alternators fit. Use the early style LS alternator and purchase the holley plug to make it a one wire or get a one wire LS truck alternator. 

Not included

Uses OBS crank pulley

OBS water pump

OBS water pump pulley.

Last picture has venders for the OBS parts.