This Holley complete high-mount accessory drive kit includes everything needed for the application, including the belt. Accessories, pulleys, tensioner, and belt are manufactured by OE part suppliers, many of which are used on production vehicles today. Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets.
Specifications:
- Application: GM Gen V LT, L83, L84, L86, L92 / GM LS
- Accessory Drive Style: High-Mount
- A/C Compressor Included: Yes, SD7
- Alternator Included: Yes, 130 Amp
- Power Steering Pump Included: Yes
- Power Steering Pulley Included: Yes
- Belt Included: Yes
- Tensioner Included: Yes
- Finish: Cast
- Material: Cast Aluminum
- Part Number: 20-138
This bracket requires a separate installation kit for assembly (part 21-1, 21-2, or 21-3, depending on application). For LT-series installs, additional parts are required: 21-5 LT Installation Kit, 22-100 LS Water Pump with forward-facing outlet, and 717-15 Throttle Body Angle Adapter. Replacement hardware kit is 97-171.
FAQ
What does the 20-138 High-Mount Accessory Drive Kit include?
It includes a 130 amp alternator, SD7 A/C compressor, power steering pump, tensioner, belt, and pulleys.
Do I need any additional parts to install this kit?
Yes, it requires a separate installation kit (21-1, 21-2, or 21-3 depending on application), and LT-series installs need the 21-5 LT Installation Kit, a 22-100 LS water pump with forward-facing outlet, and a 717-15 throttle body angle adapter.
What engines does this kit fit?
It fits GM LS engines as well as GM Gen V LT, L83, L84, L86, and L92 engines.
What is the replacement hardware kit for 20-138?
The replacement hardware kit is Holley part number 97-171.
