SKU: 52623054686

Holley Premium Polished Mid-Mount Complete Accessory System - 20-180P

Sale price$1889.97 Regular price$2099.97
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Description

Holley Premium Polished Mid-Mount Complete Accessory System - 20-180POverview: Holley's Premium Mid Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a "bracketless" design (Patent Pending), where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are bottom heater outlets for

Overview:

Holley's Premium Mid-Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a "bracketless" design (Patent Pending), where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are bottom heater outlets for clearance in tight applications. The Holley designed alternator is just as innovative. This premium alternator utilizes 6-phase technology as found on the C7 Corvette. The water pump also shares its design efficiencies with that of the C7 Corvette. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated. The Mid-Mount drive completes Holley's trilogy of accessory solutions giving a third option compared to the High and Low-Mount previously released. All three accessory solutions are for LS engines. When we say "complete", we mean complete. The Mid-Mount system comes with everything you need. All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and an SFI certified damper w/hard anodized billet crank pulley. All pulleys and the belt are supplied. Even heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness are included. Easy assembly was a priority during the entire development of this accessory solution. Color graphical instructions walk you through every step of the ultra-easy installation. The Premium Mid-Mount system comes with dress up pulley covers and an SFI certified damper. Partnered with this damper is a billet 6061-T6 aluminum hard anodized crank pulley. This system is ready for the racetrack if you want to play or just be ready for anything on the street.

Features:

  • Bracketless accessory mounting with ultra-easy assembly
  • Bottom outlet heater hose options for swap application clearance
  • LT1 style premium 150 amp alternator
  • LT1 style water pump cartridge design
  • Compact SD7 A/C compressor
  • Type II power steering pump with baffled reservoir
  • P/S adapter hardline to AN -6 adapter included
  • Steam tube input port
  • Shortened top outlet nipple for more radiator hose turns and routing room
  • OE pulley ratios for optimal accessory performance
  • No adapters/spacers required!
  • Billet tensioner cover
  • Billet alternator, and compressor pulley covers
  • SFI certified damper w/hard anodized billet crank pulley
  • Works with all common aftermarket and factory Throttle bodies and intakes.
  • Works with VVT applications
  • Works with Hooker turbo manifolds.
  • Fits ALL LS engines except with dry sump and/or supercharger.
  • Polished Finish

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

A/C Compressor Included Yes
A/C Compressor Type SD7
Accessory Drive Style Mid Mount
Alternator Amperage 150
Alternator Included Yes
Application GM LS
Belt Included Yes
Brand Holley
Choose Your Part Accessory Drive Kits
Damper Included Yes
Damper Style SFI Certified
Emission Code 5
Engine GM LS
Finish Polished
Inlet Size 35.4mm/1.4"
Material Cast Aluminum
Output 150 Amps
Power Steering Hardline Included Yes
Power Steering Pulley Included Yes
Power Steering Pump Included Yes
Power Steering Reservoir Included Yes
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
Shipping Notes
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Exchange/Return Notes
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SKU: 52623054686

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Shop Queen
Lexington, US
★★★★★ 3
Dry mouth is miserable.
Size: 27 Count (Pack of 1)
The mouth lozenges for dry mouth were excellent at first, but I have dry mouth all day, and they started upsetting my stomach. I guess I was taking too many. Since I switched to the spry, I don't have a problem. I keep the a small bottle of the spray in my pocketbook, because I need it sporadically. It is probably different with each individual.
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Reviewed in the United States on April 11, 2026
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RMK
Grantham, US
★★★★★ 5
Powerful and eye-opening
Format: Paperback
A therapist on TikTok recommended this (thank you Kendyl!) and it is easily the most important book I've purchased in years. It pulls together the threads of otherwise "unimportant" early life events and helps to piece together a clearer picture of how those shape our thoughts, feelings, and behavior as adults. It's written for clinicians but would be helpful for a curious client who understands the basics of "parts" work and wants to use this as a resource in conjunction with therapy.
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Reviewed in the United States on February 20, 2024
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Rachel
Lowell, US
★★★★★ 5
Amazing
Format: Paperback
It’s very academic—what I mean by that is that if you need to be well-educated in psychology to GRASP *everything*… I am not well-educated in psychology (I minored in it and love reading easier books on it), but I LOVE this book. This woman is brilliant
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Reviewed in the United States on March 24, 2024
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Autumn S
New York, US
★★★★★ 5
one of the best books I’ve read
Format: Kindle
This book is transformative in how I view everything. There are two categories: people who need to read this book and people who need to read it again.
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Reviewed in the United States on April 15, 2023
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Erin T
Waukegan, US
★★★★★ 5
Started w/ audiobook, now I'm ordering the print too
Format: Paperback
This book is GREAT!! The integration of theory she uses to support her claims is masterful. I began listening to the audiobook, because it was cheaper & I go through a ton of counseling & psych books. I am a grad student in social work, and I'm also a therapy client trying to heal myself. I appreciate that this book targets "chronic shame" which as a central experience to a bunch of issues. The hundreds of books and articles I've researched seem like they were mostly ALL working back to this issue. In a psychology culture that is big on cognitive and chemical solutions to mental health, the relational approach that she emphasizes is critical to the healing process. I appreciate the research she uses from object relations, affect regulation, interpersonal, etc. I purchased the hard copy because 1. I can't underline/highlight an audiobook and 2. I want a copy of the references of theorists and study's that she draws from, because they are pure gold. All therapists need to understand the contents of this book! Unless you are perfectly fine offering band aid solutions. Clients and self-helpers beware. It's not triggering in terms of content, it is activating in the sense that she describes the felt experience of shame SO WELL. I could locate my own felt sense of shame which is, by default, unpleasant. Some stabilization and a decent therapeutic connection is probably necessary before cracking this book open. But that's why I love it. I needed to go deeper and get the core issues. And this book is like a map that guides you right to it.
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Reviewed in the United States on February 18, 2025

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