Holley's Premium Mid-Mount complete accessory drive system pulls all accessories in tighter than other drives, using a "bracketless" design where components bolt directly to the water pump for a clean, integrated look. It includes an SD7 A/C compressor, 150-amp alternator, power steering pump, tensioner, SFI-certified damper with hard-anodized billet crank pulley, belt, and pulleys — built for LS7 and LS engines with a dry sump and no supercharger.
Specifications:
- Accessory Drive Style: Mid-Mount
- A/C Compressor Included: Yes (SD7)
- Alternator Included: Yes (150 Amp)
- Power Steering Pump, Pulley, Hardline & Reservoir Included: Yes
- Damper Included: Yes (SFI Certified)
- Belt & Pulleys Included: Yes
- Water Pump Included: Yes
- Finish: Polished
- Material: Cast Aluminum
- Engine Application: GM LS7
- Part Number: 20-190P
The included power steering pump can also be used with Hydroboost systems (refer to flow specs on part 198-101). Compatible with common aftermarket and factory throttle bodies, intakes, and Hooker turbo manifolds. Fits LS7 and LS engines with dry sump and without a supercharger.
FAQ
What's included with the 20-190P accessory system?
It includes the water pump, SD7 A/C compressor, 150-amp alternator, power steering pump with reservoir, all pulleys, an SFI-certified damper with hard-anodized billet crank pulley, and belt.
What engines is this system designed for?
It's built for LS7 and LS engines with a dry sump and no supercharger.
What makes the Mid-Mount design different?
It uses a bracketless design where accessories bolt directly to the water pump, pulling components in tighter than the High- or Low-Mount options for a cleaner look with better engine visibility.
Is this system compatible with turbo manifolds?
Yes, it's compatible with Hooker turbo manifolds as well as common aftermarket and factory throttle bodies and intakes.
