This Holley power steering pump pulley is a Corvette-style steel pulley built for GM Gen III/IV (LS) power steering pumps with a 0.66 in. shaft bore, measuring 6.70 in. overall OD with 6.35 in. OD to the grooves.
Specifications:
- Engine: GM Gen III/IV (LS)
- Material: Steel
- Finish: Black
- Style: Serpentine
- Shaft Bore: 0.66 in.
- OD to Grooves: 6.35 in.
- Overall OD: 6.70 in.
- Mounting: Press-Fit
- Part Number: 97-152
Interchangeable with GM part number 12568997; works with Holley P/N 198-100 and similar power steering pumps using a 0.66 in. shaft.
FAQ
What engines is this pulley for?
It's built for GM Gen III/IV (LS) power steering pumps.
What's the shaft bore size?
0.66 in.
What are the pulley's OD dimensions?
6.70 in. overall OD, with 6.35 in. OD to the grooves.
Is this pulley interchangeable with an OE part?
Yes, it's interchangeable with GM part number 12568997.

