Holley Replacement Timing Cover

2009–Present Dodge 5.7L / 2011–Present Dodge 6.4L Engines

97-374

Overview:

The Holley Replacement Timing Cover is engineered specifically for mid-mount accessory drive systems 20-291 and 20-293, designed to fit 2009 and newer 5.7L HEMI engines as well as 2011 and newer 6.4L HEMI engines. This timing cover serves as a direct replacement part, providing a reliable and durable solution for restoring or upgrading your engine’s timing cover assembly. Ideal for enthusiasts and professionals looking to maintain or enhance the performance and appearance of their Dodge HEMI engines, this cover ensures proper sealing and alignment within the accessory drive system.

Whether you are performing routine maintenance, repairing damage, or upgrading your engine components, the Holley Replacement Timing Cover offers a precise fit and high-quality construction to keep your engine running smoothly.

Key Features:

Designed with precision and durability in mind, this timing cover offers several key benefits:

• Direct replacement for Holley mid-mount accessory drive systems 20-291 and 20-293
• Compatible with 2009 and newer 5.7L HEMI engines and 2011 and newer 6.4L HEMI engines
• Ensures proper sealing to prevent oil leaks and maintain engine integrity
• Precision-machined surfaces for accurate fitment and alignment
• Durable construction to withstand high engine temperatures and stresses
• Maintains factory accessory drive system geometry and performance
• OEM-quality replacement part designed to meet or exceed original specifications
• Supports reliable timing chain operation and accessory drive belt routing

Construction & Design:

The Holley Replacement Timing Cover is crafted from high-quality materials engineered to endure the demanding environment of modern HEMI engines. Its robust construction resists warping and corrosion, ensuring long-lasting performance. The cover’s design incorporates precise machining and tight tolerances to guarantee a perfect fit with the mid-mount accessory drive systems 20-291 and 20-293. This attention to detail helps maintain proper timing chain tension and accessory alignment, critical for optimal engine operation.

Holley’s engineering expertise ensures that this timing cover integrates seamlessly with your engine’s existing components, providing a reliable seal and structural integrity under all operating conditions.

Installation & Fitment:

This timing cover is a direct bolt-on replacement for the specified Holley mid-mount accessory drive systems on 2009 and newer 5.7L and 2011 and newer 6.4L Dodge HEMI engines. Installation requires standard mechanical skills and tools, with no modifications necessary. It is designed to fit precisely with factory mounting points and accessory drive components, simplifying the replacement process and minimizing downtime.

For best results, it is recommended to replace all associated gaskets and seals during installation to ensure a leak-free fit and maintain engine reliability.

What's Included:

• Holley Replacement Timing Cover (Part #97-374)

Ideal For:

This timing cover is ideal for automotive enthusiasts, mechanics, and restoration specialists working on Dodge vehicles equipped with 5.7L and 6.4L HEMI engines. It is especially suited for those maintaining or upgrading Holley mid-mount accessory drive systems 20-291 and 20-293, seeking a high-quality, reliable replacement part that preserves engine performance and appearance.

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.