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Holley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines
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Key item features
- Integrated Power Steering: Adds hydraulic power steering with a splined dual bearing system, eliminating belt stress on the pump for extended durability.
- Optimized Clearance: Features a compact design with bottom outlet swivel heater hose options and a throttle body angle correcting adapter for easier swap application routing.
- Premium Components: Includes an LT4 style premium alternator, LT4 style water pump, and a compact SD7 A/C compressor for comprehensive accessory functionality.
- OE Aesthetic: Presents an original equipment look with a black finish, maintaining optimized belt paths and tensioners for a factory-integrated appearance.
- Versatile Application: Available for both LT4/5 dry-sump and LT4 wet-sump engines, with specific accessories for plumbing oil cooler and PCV oil separator OE systems.
- Complete System: Supplied as a complete accessory drive system with alternator, power steering, A/C, water pump, belts, and all necessary hardware.
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Specs
- Vehicle model20-221BK
- Vehicle makeGM
- Vehicle fitment typeSpecific
- Automotive parts divisionPerformance
- BrandHolley
- Automotive specialty part typeAccessory Drive System
Current price is USD$3,799.95
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Columbus, 43215
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Starting from $3,799.95
Compare with similar items
| Product | Viewing this itemHolley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines ![]() $3,799.95 current price $3,799.95 | Holley Performance 20-201BK Mid-Mount Accessory Drive System Kit ![]() $3,799.95 current price $3,799.95 | Holley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black ![]() $3,299.95 current price $3,299.95 | Holley Performance 20-180BK Accessory Drive Component Mount Set ![]() $3,749.95 current price $3,749.95 | Holley 97-249 Idler Pulley-Smooth LT4 GM Engine ![]() $54.22 current price $54.22 | Holley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System ![]() $2,612.95 current price $2,612.95 | Holley Performance 20-200BK Accessory Drive Component Mount Set ![]() $3,899.95 current price $3,899.95 | Holley 20-220 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines ![]() $3,349.95 current price $3,349.95 | Holley 97-263 Hardware Kit For LSA Supercharged Accessory Drive ![]() $45.43 current price $45.43 | Holley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System ![]() $2,510.95 current price $2,510.95 |
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| Vehicle model | 20-221BKHolley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines | 20-201BKHolley Performance 20-201BK Mid-Mount Accessory Drive System Kit | 20-345BKHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black | 20-180BKHolley Performance 20-180BK Accessory Drive Component Mount Set | 97-249Holley 97-249 Idler Pulley-Smooth LT4 GM Engine | 20-370BKHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System | LTHolley Performance 20-200BK Accessory Drive Component Mount Set | 20-220Holley 20-220 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines | 97-263Holley 97-263 Hardware Kit For LSA Supercharged Accessory Drive | 20-370Holley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle make | GMHolley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines | -Holley Performance 20-201BK Mid-Mount Accessory Drive System Kit | FordHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black | -Holley Performance 20-180BK Accessory Drive Component Mount Set | GMHolley 97-249 Idler Pulley-Smooth LT4 GM Engine | -Holley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System | ChevroletHolley Performance 20-200BK Accessory Drive Component Mount Set | GMHolley 20-220 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines | -Holley 97-263 Hardware Kit For LSA Supercharged Accessory Drive | FordHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System |
| Vehicle fitment type | SpecificHolley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines | SpecificHolley Performance 20-201BK Mid-Mount Accessory Drive System Kit | SpecificHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black | SpecificHolley Performance 20-180BK Accessory Drive Component Mount Set | SpecificHolley 97-249 Idler Pulley-Smooth LT4 GM Engine | UniversalHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System | SpecificHolley Performance 20-200BK Accessory Drive Component Mount Set | SpecificHolley 20-220 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines | SpecificHolley 97-263 Hardware Kit For LSA Supercharged Accessory Drive | UniversalHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System |
| Automotive parts division | PerformanceHolley 20-221BK Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Dry Sump Engines | PerformanceHolley Performance 20-201BK Mid-Mount Accessory Drive System Kit | PerformanceHolley 20-345BK Holley Godzilla High-Mount Accessory Drive - F100 Swap - Complete - Black | PerformanceHolley Performance 20-180BK Accessory Drive Component Mount Set | PerformanceHolley 97-249 Idler Pulley-Smooth LT4 GM Engine | PerformanceHolley 20-370BK Holley Small Block Ford Mid-Mount Complete Accessory System | PerformanceHolley Performance 20-200BK Accessory Drive Component Mount Set | PerformanceHolley 20-220 Holley Premium Mid-Mount Complete Accessory System for GM Gen V LT4 Wet Sump Engines | -Holley 97-263 Hardware Kit For LSA Supercharged Accessory Drive | PerformanceHolley 20-370 Holley Small Block Ford Mid-Mount Complete Accessory System |
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About this item
Product details
Complete GM Gen V LT4 Accessory Drive System w/ Alt, P/S, A/C, Water Pump, Belts, and hardware. Black finish;
Holley's complete accessory systems for LT4 and LT5 applications have all accessories pulled up and in tight. Plus, they add the much needed hydraulic power steering solution. There are no shortcuts here. Holley incorporates a splined dual bearing system that eliminates all belt stresses on the P/S pump's internal bearings, assuring long life. The supercharger drive maintains the original and optimized belt path and tensioner. The accessory layout is as if the original manufacturer had designed it for your swap application. Included with each drive system is a throttle body angle correcting adapter that better positions the TB for swap applications as opposed to the aggressive original application intended angles. Versions of these accessory drives are available for both wet and dry sump applications.;
Holley's complete accessory systems for LT4 and LT5 applications have all accessories pulled up and in tight. Plus, they add the much needed hydraulic power steering solution. There are no shortcuts here. Holley incorporates a splined dual bearing system that eliminates all belt stresses on the P/S pump's internal bearings, assuring long life. The supercharger drive maintains the original and optimized belt path and tensioner. The accessory layout is as if the original manufacturer had designed it for your swap application. Included with each drive system is a throttle body angle correcting adapter that better positions the TB for swap applications as opposed to the aggressive original application intended angles. Versions of these accessory drives are available for both wet and dry sump applications.;
- Adds power steering without any belt load on the P/S pump
- Notably more clearance to swap applications than other options
- Original equipment look-Black finish
- LT4 style premium alternator
- LT4 style water pump design
- Compact SD7 A/C compressor
- A/C line adapters included
- Type II power steering pump
- P/S hard line adapters included
- Bottom outlet swivel heater hose options for swap application clearance
- Throttle body angle correcting adapter for easier intake tube routing on swap applications
- OE pulley ratios for optimal accessory performance, allows for larger SC crank pulley
- Available LT4/5 dry-sump & LT4 wet-sump applications
- LT4/5 specific accessories available for plumbing oil cooler and PCV oil separator OE system
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Specifications
Vehicle model
20-221BK
Vehicle make
GM
Vehicle fitment type
Specific
Automotive parts division
Performance
Warranty
Warranty information
Manufacturer's Limited 90 Day Warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
California Proposition 65
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