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$1,544.95
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System

Holley 20-187 Mid-Mount LS Race Accessory System

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Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
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Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
Holley 20-187 Mid-Mount LS Race Accessory System
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We estimate this item will ship on or before November 5th.
Part # 42520187
$1,544.95
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Details

GTIN Code:
090127053096
MFG. Part #:
20-187
Crankshaft Pulley Included:
Yes
Crankshaft Pulley Material:
Billet Aluminum
Water Pump Included:
Yes
Water Pump Finish:
Natural
Water Pump Pulley Included:
Yes
Power Steering Pump Included:
Yes
Power Steering Pump Finish:
Natural
Power Steering Pump Reservoir Included:
Yes
Power Steering Pulley Included:
Yes
Alternator Included:
Yes
Alternator Finish:
Natural
Alternator Amperage:
150 amp
Alternator Pulley Included:
Yes
A/C Pulley Included:
Yes
Hardware Included:
Yes

Info

Holley's Mid-Mount Accessory Drive System is now offered for the serious racer in mind. If you need a front drive system for your LS engine racecar, they are now available without air conditioning and power steering depending upon your needs!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 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, alternator, and the crank damper. All pulleys and the belt are supplied. Even heater hose adapters, 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. This system is ready for the racetrack if you want to play or just be ready for anything on the street.
  • 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
  • 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.

Installation Instructions (PDF)

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

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