This raw Holley LS cooling manifold, finished polished, is built as a replacement housing for Mid-Mount Accessory Drive setups.
Specifications:
- Application: GM LS Engines
- Engine: GM Gen III/IV (LS)
- Finish: Polished
- Material: Cast Aluminum
- Inlet Size: 35.4mm/1.4"
- Part Type: Engine Water Pump Housing
- Product Type: Manifold
- Part Number: 97-165
Steam tube input port is 1/8" NPT.
FAQ
What is Holley part number 97-165?
It's a polished-finish LS cooling manifold for Mid-Mount Accessory Drive applications.
What engines does this manifold fit?
It fits GM Gen III/IV (LS) engines.
What size is the steam tube input port?
The steam tube input port is 1/8" NPT.

