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Holley 20-290 - Holley Mid-Mount Complete Accessory System

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 Non-VVT Engines:2003-2008 5.7L 2005-2010 6.1L2007-2010 392 Mopar Crate Engine

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Holley 20-290 - Holley Mid-Mount Complete Accessory System

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 Non-VVT Engines:2003-2008 5.7L 2005-2010 6.1L2007-2010 392 Mopar Crate Engine

There is no documentation for this product.

No video avaliable.

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


There are no installation notes for this product.

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Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!