Holley Premium Mid-Mount Complete Accessory System 20-230BK
Holley Premium Mid-Mount Complete Accessory System 20-230BK
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Material:
Complete GM Gen V LT5 Accessory Drive System w/ Alt, P/S, A/C, Water Pump, Belts, and hardware. Black Finish
Holley's complete accessory systems for LT4 and LT5 applications have all accessories pulled up and in tight. Plus, they add the much needed hydraulic power steering solution. There are no shortcuts here. Holley incorporates a splined dual bearing system that eliminates all belt stresses on the P/S pump's internal bearings, assuring long life. The supercharger drive maintains the original and optimized belt path and tensioner. The accessory layout is as if the original manufacturer had designed it for your swap application. Included with each drive system is a throttle body angle correcting adapter that better positions the TB for swap applications as opposed to the aggressive original application intended angles. Versions of these accessory drives are available for both wet and dry sump applications.
Features:
- Adds power steering without any belt load on the P/S pump
- Notably more clearance to swap applications than other options
- Original equipment look
- LT4 style premium alternator
- LT4 style water pump design
- Compact SD7 A/C compressor
- A/C line adapters included
- Type II power steering pump
- P/S hard line adapters included
- Bottom outlet swivel heater hose options for swap application clearance
- Throttle body angle correcting adapter for easier intake tube routing on swap applications
- OE pulley ratios for optimal accessory performance, allows for larger SC crank pulley
- Available LT4/5 dry-sump & LT4 wet-sump applications
- LT4/5 specific accessories available for plumbing oil cooler and PCV oil separator OE system
Specs:
A/C Compressor Included | Yes |
---|---|
A/C Compressor Type | SD7 |
Accessory Drive Style | Mid-Mount |
Alternator Amperage | 150 |
Alternator Included | Yes |
Application | GM Gen V LT5 |
Belt Included | Yes |
Brand | Holley |
Choose Your Part | Accessory Drive Kits |
Damper Included | No |
Damper Style | Factory |
Emission Code | 5 |
Engine | GM Gen V LT5 |
Finish | Black |
Inlet Size | 35.4mm/1.4" |
Material | Cast Aluminum |
Oil System Type | Dry Sump |
Output | 150 Amps |
Power Steering Hardline Included | Yes |
Power Steering Pulley Included | Yes |
Power Steering Pump Included | Yes |
Power Steering Reservoir Included | No |
Product Type | Accessory Drive Kits |
Pulley Style | Serpentine |
Tensioner Included | Yes |
Thermostat Included | Yes |
Warranty | Limited 90 Day |
Water Neck Included | Yes |
Water Pump Included | Yes |
Water Pump Pulley Included | Yes |








Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.