Holley's Big Block Chevy Mid-Mount Complete Accessory System eliminates traditional accessory brackets with a bracketless design where accessories bolt directly to the water pump. The system includes a Holley-designed alternator using 6-phase technology like the C7 Corvette, a matching water pump, an SD7 A/C compressor, and a Type II power steering pump with baffled reservoir.
Specifications:
- Accessory Drive Style: Mid-Mount
- A/C Compressor: SD7, included
- Alternator: Included, LT1-style, 6-phase design
- Power Steering: Type II pump with baffled reservoir, hardline, and pulley included
- Water Pump: LT1-style, included with pulley
- Belt & Pulleys: Included
- Finish: Natural
- Application: Big Block Chevrolet
- Part Number: 20-242
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 kit?
The water pump, A/C compressor, alternator, and power steering pump with reservoir, plus all pulleys, belt, A/C line adapter, heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness.
What engines is this for?
Big block Chevrolet engines.
Can the power steering pump run a Hydroboost system?
Yes; refer to the flow specs on part number 198-101.
What finish is this system?
Natural finish (a black finish is also available).

