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COMP MID-MT ACC SYSTEM, HEMI VVT-NATURAL
Gen III Hemi Engine - VVT - Fits 2009 & Up 5.7L & 2011 & Up 6.4L Engines - Natural Cast Finish - Factory Style Damper
Overview
Holley's complete, mid-mount 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 timing cover for a clean, integrated system. The design offers superb engine visibility to show off your horsepower, not your accessories. Among the many swap friendly features are two optional heater connection configurations. The innovative Holley premium alternator incorporates 6-phase and square wire technology. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated. The kit utilizes Holley's proven cartridge style water pump. 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. This accessory drive system fits following VVT Engines: 2009-Up 5.7L 2011-UP 6.4L
Features:
- Bracketless Accessory Mounting System for Ultra-Easy Assembly – Timing Cover is Integrated into this Bracket / Casting
- Configurable Heater Hose Connection Options - for Hose Routing Flexibility
- Holley Premium 150 Amp alternator – Plenty of Power for All Vehicle Systems
- Easy Wiring of Alternator That Doesn’t Require Factory ECU to Excite Alternator
- Alternator is Tucked in Tight to the Engine – Eliminates Frame Rail or Hood Clearance Issues (Common with Factory Car or Truck Drive Systems)
- Holley Water Pump w/ Cartridge Design – Compact & Easy to Service Without Removing the Water Pump Housing / Timing Cover
- SD7 A/C Compressor – Small Compact Compressor
- Type II Power Steering Pump with Baffled Reservoir
- Power Steering Pump Has Proper Pressure for use with Steering Box on Older Vehicles (Eliminates Steering Box Damage Due to Excessive Pressure)
- Swivel Water Inlet & Outlet – Allows Custom Radiator Hose Routing
- OE (Original Equipment) Pulley Ratios for Optimal Accessory Performance
- No Adapters or Spacers Needed – for Easy Installation
- Works with Common After-Market and Factory Throttle Bodies and Intakes
- Choose from Kits in Natural Aluminum or Black Finish – Fits Naturally Aspirated Gen III Hemi Engines (5.7L, 6.1L, and 6.4L)
- Includes OE Style Damper with Cast in Serpentine Pulley
- All Accessories are Included; Water Pump, A/C Compressor, Alternator, Power Steering Pump w/ Reservoir, Pulleys & Crank Damper
- All Plumbing Adapters, Wiring Adapters, Gaskets and Seals are Included
- Available for VVT (Variable Valve Timing – 2009-Up 5.7L and 2011-Up 6.4L) and Non-VVT (2003-2008 5.7L, and 2005-2010 6.1L) Engines in Natural Cast Aluminum or Black Finish
About Holley
Specs
| A/C Compressor Included | Yes |
|---|---|
| A/C Compressor Type | SD7 |
| Accessory Drive Style | Mid-Mount |
| Alternator Amperage | 150 |
| Alternator Included | Yes |
| Application | Gen III Hemi |
| Belt Included | Yes |
| Brand | Holley |
| Category | Accessory Drives |
| Choose Your Part | Accessory Drive Kits |
| Damper Included | Yes |
| Damper Style | Cast Damper |
| Emission Code | 5 |
| Engine | Gen III Hemi - VVT |
| Finish | Cast |
| Inlet Size | 1.75 |
| Material | Cast Aluminum |
| Outlet Size | 1.75 |
| Output | 150 Amps |
| Power Steering Hardline Included | Yes |
| Power Steering Pulley Included | Yes |
| Power Steering Pump Included | Yes |
| Power Steering Reservoir Included | Yes |
| Product Type | Accessory Drive Kits |
| Pulley Style | Serpentine |
| Tensioner Included | Yes |
| Thermostat Included | Yes |
| Warranty | Limited 90 Day |
| Water Neck Included | Yes |
| Water Pump Included | Yes |
| Water Pump Pulley Included | Yes |
| UPC | 090127109175 |
| Part Number | 20-291 |
Service Parts
- Power Steering Pump Assembly, Aluminum Saginaw (TC) with bearing supported shaft and integrated reservoir$326.66Qty:
- Fits 2003 & Up Gen III Hemi 5.7L, 6.1L, 6.2L, and 6.4L engines - for Use with Gen III Hemi Mid-Mount Accessory Drive Systems and Stock Factory Timing Covers.$24.99Qty:
- Fits Gen III Hemi Mid-Mount Accessory Drive System$33.76Qty:
- Fits Gen III Hemi Mid-Mount Accessory Drive System$37.34Qty:
- for Gen III Hemi Mid-Mount Accessory Drive System - VVT - Natural Cast Finish$499.95Qty:
- Cast Iron Damper for Gen III Hemi Mid-Mount Accessory Drive System - VVT - Black Finish$326.95Qty:
Emissions
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Tech Resources
Warranty Information
Limited 90 Day: See Details
Applications
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