Holley Drive Belt Kit

Holley Drive Belt Kits: Complete Serpentine Accessory Drive Solutions

When it comes to engine swap builds and high-performance projects, few challenges are as frustrating as sorting out a clean, functional accessory drive system. Holley Performance has made it their mission to solve exactly that problem with a comprehensive lineup of drive belt kits engineered specifically for popular swap and crate engine platforms. Rather than cobbling together individual components from multiple vendors, Holley's all-in-one approach gives builders everything they need in a single, cohesive package.

Engineered for the Most Popular Swap Platforms

Holley's drive belt kit lineup spans an impressive range of engine families. Their catalog covers LS/LT High-Mount and Mid-Mount complete accessory drive kits, GM Gen V LT systems, Small Block Chevy, Big Block Chevy, Small Block Ford, Gen III Hemi, and even the Ford 7.3L Godzilla engine — making Holley one of the most versatile suppliers in the accessory drive category. Whether you're dropping an LS into a vintage muscle car or swapping a Godzilla into a truck build, there's a purpose-built Holley kit for the job.

A standout example is Holley's Godzilla High-Mount Accessory Drive. The Godzilla complete kit for Ford's 7.3L engine includes a Holley Timing Cover/Coolant Manifold, SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, Water Pump, Belt, Pulleys, Oil Pump, and Oil Pan — truly an all-encompassing solution. For GM LS and LT enthusiasts, Holley's complete kits include everything needed for the application including the belt, with accessories, pulleys, tensioner, and belt manufactured by OE part suppliers — many of which are used on production cars today.

What Makes Holley's Drive Belt Kits Stand Out

Holley didn't just source off-the-shelf parts and bundle them together. Their Mid-Mount systems feature a genuinely innovative approach to packaging. At the heart of the Mid-Mount system is a "bracketless" design, where the accessories bolt directly to the water pump for a clean, integrated form — offering superb engine visibility to show off your horsepower, not your accessories. This patented layout pulls all components tighter to the block, which is critical for swap applications where clearance is always at a premium.

The engineering detail extends to individual components as well. The Holley-designed alternator is equally innovative, utilizing 6-phase technology as found on the C7 Corvette. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated into the system. For builders who want the highest level of performance, Premium variants add OE pulley ratios for optimal accessory performance, billet tensioner covers, billet alternator and compressor pulley covers, and SFI-certified dampers with hard-anodized billet crank pulleys.

Universal Fitment, Simple Installation

Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets, reducing cost and complexity compared to competitive products. Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or Truck drive offsets, and OEM-spec flanged head hardware is included to match factory LS engine hardware.

For classic Ford enthusiasts, Holley's accessory drive kits allow owners of vintage Ford vehicles to replace outdated V-belt systems with a more efficient serpentine belt system, ultimately enhancing vehicle functionality. Available in Natural and Black finishes across most product lines, these kits are designed to look right at home — whether you want a factory-correct appearance or a blacked-out show build aesthetic.

If you're planning an engine build or swap and need a complete, bolt-on serpentine accessory drive solution, Holley's drive belt kits represent some of the most thoroughly engineered options on the market. Explore the full selection and find the right system for your engine platform.