Holley Mid-Mount Complete Accessory System

1966–2006 Dodge Challenger, Charger, Dakota, Magnum, Ramcharger & Jeep Wrangler

20-291

Overview:

The Holley Mid-Mount Complete Accessory System is a comprehensive, all-in-one solution designed to streamline and enhance the accessory drive setup on a wide range of Dodge and Jeep models spanning from 1966 to 2006. Featuring a unique bracketless design, this system mounts accessories directly to the timing cover, resulting in a clean, integrated appearance that maximizes engine visibility. Ideal for enthusiasts and restorers seeking a tidy, efficient, and reliable accessory drive, this kit consolidates all essential components into a compact, high-quality package that fits popular V8 engines including the Gen III Hemi variants.

Whether you are upgrading your classic Dodge Charger or restoring a Jeep Wrangler, this system offers a modernized accessory drive that improves under-hood aesthetics while maintaining OEM-level performance and reliability. The Holley Mid-Mount system is engineered to simplify installation and provide flexible hose routing options, making it a versatile choice for a variety of engine swaps and rebuilds.

Key Features:

This complete accessory system combines innovative engineering with premium components to deliver a superior upgrade for your vehicle’s engine bay:

• Bracketless accessory mounting system bolts accessories directly to the timing cover for a clean, integrated look and ultra-easy assembly
• Configurable heater hose connections provide flexible routing options to suit custom installations
• Holley premium 150 Amp alternator with 6-phase and square wire technology delivers ample power without requiring factory ECU excitation
• Compact SD7 A/C compressor designed for reliable cooling performance in a small footprint
• Type II power steering pump with baffled reservoir provides proper pressure for older steering boxes, preventing damage from excessive pressure
• Holley cartridge-style water pump offers compact design and easy serviceability without removing the timing cover
• OE-style damper with cast-in serpentine pulley ensures optimal accessory drive ratios and compatibility
• Includes all pulleys, belts, plumbing adapters, wiring harnesses, gaskets, and seals for a truly complete installation
• Available in natural cast aluminum or black finish to match your engine’s aesthetic
• Fits a broad range of Dodge and Jeep vehicles equipped with VVT and non-VVT Gen III Hemi engines

Construction & Design:

The Holley Mid-Mount system is engineered with durability and precision in mind. The bracketless design integrates the accessory mounting directly into the timing cover casting, eliminating bulky brackets and reducing overall system width. This approach not only improves engine bay aesthetics but also enhances serviceability and reduces potential alignment issues.

High-quality materials such as cast aluminum for the timing cover and accessories ensure strength while minimizing weight. The water pump’s cartridge design allows for straightforward maintenance without disassembling the entire front cover. The power steering pump features a baffled reservoir to maintain consistent fluid pressure, protecting older steering components from damage.

Every component is manufactured to meet or exceed OEM specifications, ensuring reliable performance and long service life under demanding conditions.

Installation & Fitment:

The Holley Mid-Mount Complete Accessory System is designed for straightforward installation with no need for adapters or spacers. The kit fits a wide range of Dodge and Jeep models, including:

• Dodge Challenger (1970–1974)
• Dodge Charger (1966–1978)
• Dodge Dakota (1987–2004)
• Dodge Magnum (1978)
• Dodge Ramcharger (1974–1993)
• Jeep Wrangler (1987–2006)

Compatible with Gen III Hemi engines including 5.7L, 6.1L, and 6.4L variants, both VVT (2009 and newer) and non-VVT (2003–2010). The system includes detailed color graphical instructions to guide you through each step, making it accessible for experienced mechanics and enthusiasts alike. Its compact design eliminates common clearance issues with frame rails or hood components, ensuring a clean fit in a variety of engine bays.

What's Included:

• Holley bracketless timing cover with integrated accessory mounts
• Holley premium 150 Amp alternator with wiring harness and plug
• Holley cartridge-style water pump
• SD7 compact A/C compressor
• Type II power steering pump with baffled reservoir
• OE-style crank damper with cast-in serpentine pulley
• All pulleys and serpentine belt
• Heater hose adapters with two configuration options
• Power steering to -6 AN hardline adapter
• All necessary gaskets, seals, and hardware

Ideal For:

This complete accessory system is perfect for classic Dodge and Jeep owners who want to modernize their engine accessory drive without sacrificing reliability or appearance. It suits restorers, engine swap enthusiasts, and performance builders looking for a clean, compact, and fully integrated solution that simplifies installation and enhances engine bay presentation. The system’s compatibility with a broad range of Gen III Hemi engines makes it a versatile choice for many popular Mopar builds.

Holley is a cornerstone name in performance, spanning everything from classic carburetion to modern EFI, fuel systems, and race-ready supporting components. It’s also home to a roster of iconic sub-brands across ignition, exhaust, and drivetrain—making Holley a one-stop ecosystem for builders chasing better drivability, more power, and proven track heritage.