Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish
Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish
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Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish

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Key item 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
  • 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,
  • 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.
Current price is $3,499.95
Price when purchased online
  • Free shipping
  • Free 90-day returns

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Columbus, 43215
Arrives by Sat, Feb 7
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Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish
Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish
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Holley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish
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Holley 97-249 Idler Pulley-Smooth LT4 GM Engine
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Comparison Chart:
Vehicle model20-181BKHolley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black Finish20-345BKHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - BlackHOL-320-290BKHolley 20-290BK Complete Front Accessory System - Mid-Mount - Black Cast Finish20-202PHolley Performance 20-202P Mid-Mount Accessory Drive System Kit20-221Holley 20-221 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines20-370BKHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System20-220BKHolley 20-220BK Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines - Black Finish20-340BKHolley 20-340BK High-Mount Accessory Drive - With Holley Oiling System - Complete Kit - Black20-370Holley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System97-249Holley 97-249 Idler Pulley-Smooth LT4 GM Engine
Vehicle fitment typeSpecificHolley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black FinishSpecificHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - BlackSpecificHolley 20-290BK Complete Front Accessory System - Mid-Mount - Black Cast FinishSpecificHolley Performance 20-202P Mid-Mount Accessory Drive System KitSpecificHolley 20-221 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump EnginesUniversalHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory SystemSpecificHolley 20-220BK Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines - Black FinishSpecificHolley 20-340BK High-Mount Accessory Drive - With Holley Oiling System - Complete Kit - BlackUniversalHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory SystemSpecificHolley 97-249 Idler Pulley-Smooth LT4 GM Engine
Automotive parts divisionPerformanceHolley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black FinishPerformanceHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black-Holley 20-290BK Complete Front Accessory System - Mid-Mount - Black Cast FinishPerformanceHolley Performance 20-202P Mid-Mount Accessory Drive System KitPerformanceHolley 20-221 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump EnginesPerformanceHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System-Holley 20-220BK Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines - Black Finish-Holley 20-340BK High-Mount Accessory Drive - With Holley Oiling System - Complete Kit - BlackPerformanceHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory SystemPerformanceHolley 97-249 Idler Pulley-Smooth LT4 GM Engine
Automotive specialty part typeAccessory Drive SystemHolley 20-181BK Holley Premium Mid-Mount Race Accessory System-Black FinishAccessory Drive Belt KitHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - BlackAccessory Drive Belt KitHolley 20-290BK Complete Front Accessory System - Mid-Mount - Black Cast FinishAccessory Drive System KitHolley Performance 20-202P Mid-Mount Accessory Drive System KitAccessory Drive SystemHolley 20-221 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump EnginesAccessory Drive Belt KitHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory SystemAccessory SystemHolley 20-220BK Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines - Black FinishAccessory Drive Belt KitHolley 20-340BK High-Mount Accessory Drive - With Holley Oiling System - Complete Kit - BlackAccessory Drive Belt KitHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory SystemIdler PulleyHolley 97-249 Idler Pulley-Smooth LT4 GM Engine
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