Holley® 20-181BK - Premium™ Mid-Mount Race Accessory System

Name: Holley® 20-181BK - Premium™ Mid-Mount Race Accessory System
Brand: Holley
SKU: mpn5235330874
Price: 3723.95 USD
Availability: InStock

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Engine Type Specific

Fitment notes:

Fits Following Engines: 294 CID GM (LS) Small Block Generation IV
Will fit Models with 294 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 294 CID GM (LS) Small Block Generation III
Will fit Models with 294 GM (LS) Small Block Gen III Engine
Fits Following Engines: 364 CID GM (LS) Small Block Generation IV
Will fit Models with 364 GM (LS) Small Block Gen IV Engine
Fits Following Engines: GM LS Small Block
Fits Following Engines: 427 CID GM (LS) Small Block Generation IV
Will fit Models with 427 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 376 CID GM (LS) Small Block Generation IV
Will fit Models with 376 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation IV
Will fit Models with 325 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 376 CID GM (LS) Small Block Generation V
Will fit Models with 376 GM (LS) Small Block Gen V Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation V
Will fit Models with 325 GM (LS) Small Block Gen V Engine
Fits Following Engines: 350 CID GM (LS) Small Block Generation III
Will fit Models with 350 GM (LS) Small Block Gen III Engine
Fits Following Engines: 262 CID GM (LS) Small Block Generation V
Will fit Models with 262 GM (LS) Small Block Gen V Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation III
Will fit Models with 325 GM (LS) Small Block Gen III Engine
Fits Following Engines: 364 CID GM (LS) Small Block Generation III
Will fit Models with 364 GM (LS) Small Block Gen III Engine

Notes:

Fits ALL LS engines except with dry sump and/or supercharger.

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Vehicle Fitment

This part is universal

Fits Following Engines: 294 CID GM (LS) Small Block Generation IV
Will fit Models with 294 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 294 CID GM (LS) Small Block Generation III
Will fit Models with 294 GM (LS) Small Block Gen III Engine
Fits Following Engines: 364 CID GM (LS) Small Block Generation IV
Will fit Models with 364 GM (LS) Small Block Gen IV Engine
Fits Following Engines: GM LS Small Block
Fits Following Engines: 427 CID GM (LS) Small Block Generation IV
Will fit Models with 427 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 376 CID GM (LS) Small Block Generation IV
Will fit Models with 376 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation IV
Will fit Models with 325 GM (LS) Small Block Gen IV Engine
Fits Following Engines: 376 CID GM (LS) Small Block Generation V
Will fit Models with 376 GM (LS) Small Block Gen V Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation V
Will fit Models with 325 GM (LS) Small Block Gen V Engine
Fits Following Engines: 350 CID GM (LS) Small Block Generation III
Will fit Models with 350 GM (LS) Small Block Gen III Engine
Fits Following Engines: 262 CID GM (LS) Small Block Generation V
Will fit Models with 262 GM (LS) Small Block Gen V Engine
Fits Following Engines: 325 CID GM (LS) Small Block Generation III
Will fit Models with 325 GM (LS) Small Block Gen III Engine
Fits Following Engines: 364 CID GM (LS) Small Block Generation III
Will fit Models with 364 GM (LS) Small Block Gen III Engine

Specifications

Brand	Holley®
Series	Premium™
Finish	Black
Material	Cast Aluminum
A/C Compressor Included	No
Accessory Drive Style	Mid-Mount
Alternator Amperage	150
Alternator Included	Yes
Application	GM LS
Belt Included	Yes
Choose Your Part	Accessory Drive Kits
Damper Included	Yes
Damper Style	SFI Certified
Emission Code	5
Engine	GM Gen III/IV (LS)
Inlet Size	35.4mm/1.4"
Output	150 Amps
Power Steering Hardline Included	Yes
Power Steering Pulley Included	Yes
Power Steering Pump Included	Yes
Power Steering Reservoir Included	Yes
Pulley Style	Serpentine
Tensioner Included	Yes
Thermostat Included	Yes
Warranty	Manufacturer's Limited 90 Day Warranty
Water Neck Included	Yes
Water Pump Included	Yes
Water Pump Pulley Included	Yes
With or Without	With Power Steering Pump
Info	SFI Certified.

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 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.

Product Details

Premium™ Mid-Mount Race Accessory System (20-181BK) by Holley®. Finish: Black. Material: Cast Aluminum. With Power Steering Pump. SFI Certified. 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 (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.

Holley® - Premium™ Mid-Mount Race Accessory System Information Holley® - Warranty Holley® - Catalogs Holley Authorized Dealer FAQ Video About us

Brand:

Holley

Part Number:

20-181BK

UPC:

090127053508

Alternate MPN:

20181BK

Warranty

Holley warrants its products to be free from defects in materials or workmanship for a period of 90 days. The warranty period begins on the date the product is delivered.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

Holley limits the warranty on Metallic Ceramic Coatings to be free from defects in material and workmanship for a period of 90 days from the date of purchase. This limited coating warranty does not apply to any products which have been subjected to adverse conditions, such as high heat encountered during engine break-in or if used during any racing activity.

Holley Performance Products warrants its new marine products to be free from defects in material and workmanship for a period of 90 days from date of purchase. For the safety and protection of persons and property, all United States Coast Guard and other marine product safety installation and use requirements and recommendations must be carefully studied and applied. The above recommendations include, but are not limited to the recommendation that the installation, adjustment, and repair of Holley carburetors or other marine products must be performed only by a trained mechanic having adequate marine fuel system experience, and in strict compliance with the applicable Holley installation, maintenance, and other instructions. Failure to follow such requirements and recommendations will void this Holley Marine Limited Warranty, and Holley disclaims any responsibility and/or liability for accidents resulting from such failure.

Holley® Performance Products warrants its Holley® Street Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Street Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Holley® Performance Products warrants its Holley® Marine Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Marine Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Magnuson-Moss Warranty Act:

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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