Holley's Premium Mid-Mount Race Accessory Drive System is built for the serious LS racer. The "bracketless" design bolts accessories directly to the water pump for a clean, integrated form, with bottom heater outlets for tight swap clearance. It includes a 150-amp premium alternator with 6-phase technology, an SFI-certified damper paired with a billet 6061-T6 hard-anodized crank pulley, and dress-up pulley covers.
Specifications:
- Accessory Drive Style: Mid-Mount
- Application: GM LS (Gen III/IV)
- A/C Compressor: Not included
- Alternator: 150 Amp, included
- Damper: Included, Cast Damper
- Belt, Tensioner, Thermostat, Water Pump, Water Pump Pulley, Water Neck: Included
- Power Steering Pump, Reservoir, Hardline, Pulley: Included
- Finish: Black
- Material: Cast Aluminum
- Product Type: Accessory Drive Kits
- Part Number: 20-186BK
The power steering pump included can be used with Hydroboost systems; refer to the flow specs on part number 198-101.
FAQ
What's included in this race system?
Water pump, 150-amp alternator, P/S pump with baffled reservoir, SFI-certified damper with billet 6061-T6 crank pulley, all pulleys, belt, heater hose adapters, P/S hardline to -6AN adapter, and alternator harness.
Does it include A/C?
No, this race-oriented system omits A/C.
What LS engines will it fit?
All LS engines except those with dry sump and/or a supercharger.
Is it compatible with turbo manifolds or VVT?
Yes, it works with Hooker turbo manifolds and VVT applications.
Can the power steering pump run a Hydroboost brake system?
Yes, refer to the flow specs on part number 198-101.
