67 Corvette 427/435 hp BBC Deep Groove Pulleys

[lbnaz]

I have a 427 L88 in a 55 Chevy with short water pump. What additional pulley is needed for the crank to drive power steering when changing from 66-67 standard short water pump pulleys and brackets to deep groove pulleys. The PS is a 68 SWP type. I'm putting Corvette 3883108 on the crank and 3906656 on the water pump. I need something to drive the power steering off the crank. Everything else lines up. I do not have deep groove on the PS. The alt. is deep groove. The photos show it with the standard pulleys. After hearing the Camaro here with the ZL-1 cam in it in the Chevrolet section I'm changing my L88 cam out for the same cam and want to do the pulleys at the same time. Thanks, Larry