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$1,799.99
Holley 20-185 Mid-Mount Complete Accessory System, LS Engine
Holley 20-185 Mid-Mount Complete Accessory System, LS Engine

Holley 20-185 Mid-Mount Complete Accessory System, LS Engine

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Holley 20-185 Mid-Mount Complete Accessory System, LS Engine
Holley 20-185 Mid-Mount Complete Accessory System, LS Engine
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We estimate this item will ship on or before September 6th.
Part # 42520185
$1,799.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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Holley's Mid-Mount complete accessory system makes use of a compact system for mounting accessories compared to other accessory drives.  All accessories mount directly to the water pump, making a virtually bracketless system while giving the whole system a cleaner look. 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 integrated.

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. 

  • Bracketless accessory mounting with ultra-easy assembly
  • Bottom outlet heater hose options for swap application clearance
  • LT1 style hairpin 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!
  • 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.

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

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