Holley's Mid-Mount accessory drive system brings every accessory in tight for a clean, integrated look on small block Ford engines. The bracketless design mounts components directly to a purpose-built timing cover, and the kit ships complete with a 6-phase alternator, SD7 A/C compressor, GM Type II power steering pump with reservoir, cartridge-style water pump, all pulleys, belt, heater hose adapters, and a power steering hardline so nothing extra needs to be sourced.
Specifications:
- Application: Small Block Ford
- Accessory Drive Style: Mid-Mount
- Finish: Black
- Alternator: Included, 150 Amps, Cast Aluminum, LT1-Style, 6-Phase
- A/C Compressor: SD7, Included
- Power Steering Pump: GM Type 2, Included with Reservoir
- Water Pump: GM Cartridge Style, Aluminum, Counterclockwise Rotation
- Belt Type: Serpentine, Included
- Material: Aluminum
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 20-370BK
Crankshaft pulleys accommodate 3- or 4-bolt damper flanges (spacer kits 97-446, 97-447, or 97-448 available separately for different OE damper depths); driver- or passenger-side A/C hose connections can be added with kits 97-443/97-444, and a mechanical fuel pump can be run with the required timing cover modification per the installation instructions.
FAQ
What does the 20-370BK kit include?
It includes the water pump, A/C compressor, alternator, and power steering pump with reservoir, along with all pulleys, the serpentine belt, heater hose adapters, a power steering hardline, and the alternator plug/harness.
What engine platform is this accessory drive designed for?
It is designed for small block Ford engines using a Mid-Mount bracketless accessory system.
Can power steering be deleted from this system?
Yes, power steering can be deleted with a drive belt change; see the installation instructions for the required belt.
Can a mechanical fuel pump be used with this kit?
Yes, a mechanical fuel pump may be used, but it requires a timing cover modification described in the installation instructions.
What finish is this kit available in?
This version, 20-370BK, comes in a black finish.

