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Holley Premium Mid-Mount Complete Accessory System

LS Engine Drive includes SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, & Pulleys

PART# 20-180

$2,666.95   Suggested Retail
$2,159.36   Holleydays Price
Free Shipping
In Stock  
Qty: 
Starting at $190 a month with Learn More
Fits ALL LS engines except with dry sump and/or supercharger. Original belt alignment is not a variable as the water pump and crank pulley are included.

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 hairpin/square wire, 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 integratThe 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 the crank damper. 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 hairpin premium alternator
  • LT1 style water pump 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
  • Fits ALL LS engines except with dry sump and/or supercharger. Original belt alignment is not a variable as the water pump and crank pulley are included.

Specs

BrandHolley
EngineGM LS
FinishCast
MaterialCast Aluminum
Product TypeAccessory Drive Kits
Part Number20-180

Tech Resources

Fits ALL LS engines except with dry sump and/or supercharger. Original belt alignment is not a variable as the water pump and crank pulley are included.

*Free Shipping & Handling only offered to the contiguous US on orders over $100.

Some parts are not legal for use in California or other states with similar regulations.

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