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$1,899.99
Holley 20-185BK LS Engine Accessory Drive Kit, Mid Mount
Holley 20-185BK LS Engine Accessory Drive Kit, Mid Mount

Holley 20-185BK LS Engine Accessory Drive Kit, Mid Mount

Chevy LS V8, Chevy LT V8

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Holley 20-185BK LS Engine Accessory Drive Kit, Mid Mount
Holley 20-185BK LS Engine Accessory Drive Kit, Mid Mount
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We estimate this item will ship on or before June 3rd.
Part # 42520185BK
$1,899.99
each
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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.

Details

GTIN Code:
090127029480
MFG. Part #:
20-185BK
Notes:
Belt Included. Fits all LS except those equipped with supercharger or dry-sump system.
Sold in Quantity:
Kit
Pulley Style:
Serpentine
Crankshaft Pulley Included:
Yes
Crankshaft Pulley Material:
Cast Aluminum
Crankshaft Pulley Finish:
Black Painted
Crankshaft Pulley Grooves:
Six
Water Pump Included:
Yes
Water Pump Material:
Cast Aluminum
Water Pump Finish:
Black Painted
Water Pump Pulley Included:
Yes
Water Pump Pulley Material:
Steel
Water Pump Pulley Grooves:
Non-ribbed
Power Steering Pump Bracket Finish:
Black Painted
Power Steering Pump Finish:
Natural
Power Steering Pump Reservoir Included:
Yes
Power Steering Pump Reservoir Material:
Plastic
Power Steering Pump Reservoir Style:
Integral
Power Steering Pump Style:
Type 2
Power Steering Pulley Attachment:
Press Fit
Power Steering Pulley Grooves:
6-Rib | Serpentine
Power Steering Pulley Included:
Yes
Power Steering Pulley Material:
Steel
Alternator Material:
Cast Aluminum
Alternator Finish:
Black Painted
Alternator Amperage:
150 amp
Alternator Pulley Grooves:
6-groove, Serpentine
Alternator Pulley Included:
Yes
Alternator Bracket Finish:
Black
Alternator Bracket Material:
Cast Aluminum
Alternator Brackets Included:
Yes
A/C Compressor Finish:
Black Painted
A/C Compressor Included:
Yes
A/C Compressor Type:
Sanden SD-7
Idler Brackets Included:
Yes
Idler Included:
No
Tensioner Included:
Yes
Tensioner Style:
Spring-loaded
Tensioner Cover Included:
No
Hardware Included:
Yes

Info

Holley's 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, 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 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.
 
  • 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 cartidge 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.
  • Black Finish
  • All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and the crank damper.

Holley Black Mid-Mount Complete Accessory System (PDF)

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

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