Best Derby Covers for Motorcycles: Top CNC Aluminum Options
Derby covers and timing covers add a bold, mechanical look to Harley-Davidson and other touring bikes. This guide highlights five CNC aluminum derby covers that blend durability with aggressive styling. Each option is designed for a range of models, offering precise fitment and a standardized 5-hole bolt pattern where applicable. Read on to compare build quality, aesthetics, and installation considerations to choose the best derby cover for your ride.
| Product | Brand | Fitment | Key Feature |
|---|---|---|---|
| HDBUBALUS Motorcycle Derby Cover 103 Timing Points Cover | HDBUBALUS | 99-2017 Evolution, Dyna, Softail (except certain narrow covers) | Billet aluminum with a clean black finish |
| GZYF Motor CNC Aluminum Engine Covers Derby Timer | GZYF | 1999-2017 Dyna, 1999-later Softail, 2007-2015 Touring | Durable CNC machined billet aluminum, aggressive look |
| 5 Hole Engine Derby Timer Cover For Harley | Motorcycle Upgrader | Road King, Dyna, Softail, Electra Street Glide, etc. | 5-hole design, deep-cut aesthetic |
| Gloss Black Live to Ride Derby Cover and Ignition Timing Cover Combo | MID TN CYCLES | Harley Twin Cam 1999-2015 | Gloss black finish with matching derby and timing covers |
| SYudwen 5 Holes Motorcycle Derby Cover Gasket | SYudwen | 1999-2016 Dyna, Touring, Softail; excludes narrow models | 5-hole gasket set for reliable sealing |
Below is a quick overview of the five options. Each product section includes fitment notes, material details, and installation considerations to help you balance aesthetics with durability.
HDBUBALUS Derby Cover Timing Point Upgrade
Built from billet aluminum, the HDBUBALUS derby cover offers a black finish with a clean, industrial aesthetic. It fits a broad range of Harley models including Evolution and Dyna lines, as well as many Softail and Touring bikes. The fitment notes indicate compatibility with models from 1999 through 2017, with some exceptions for narrow-profile outer primary covers. This piece emphasizes durability and a cohesive look with the timing points cover.
GZYF CNC Engine Derby Cover For Harley
The GZYF derby cover is CNC machined from billet aluminum for a robust, aggressive look on Dyna, Softail, and Touring models. The description indicates compatibility with 1999-2017 Dyna and 1999-later Softail families, among others, with emphasis on stable performance and a bold appearance. Its durable construction aims to resist weather-related wear while enhancing the bike’s silhouette.
5 Hole Engine Derby Timer Cover By Motorcycle Upgrader
Designed for a deep-cut, elegant conversion, this aftermarket derby cover set includes a derby cover and points cover. It emphasizes an aftermarket upgrade path for a cohesive look across the engine’s tempo. While installation is described as straightforward, there is no included instruction sheet. The kit targets several late-model Harley variants seeking a polished, aggressive appearance.
Gloss Black Live to Ride Derby and Ignition Cover Combo
From MID TN CYCLES, this combo set features a gloss black Live to Ride derby cover paired with an ignition timing cover designed for Harley Twin Cam engines from 1999-2015. The 5-hole design ensures compatibility with standard bolt patterns, and the black/coated finish provides a sleek contrast against chrome or polished engine finishes. It offers a coordinated upgrade for both the timing and derby hardware.
SYudwen 5 Holes Derby Cover Gasket Kit
The SYudwen gasket kit is specified for 1999-2016 Dyna, Touring, and Softail models with a 5-hole pattern. It emphasizes quality gasket components to ensure a durable seal and compatibility with OEM part numbers, making it a practical upgrade for reliability alongside aesthetics. Note that it excludes narrow-profile touring configurations.
GUAIMI Derby Cover Timer Overlay
The GUAIMI middle finger themed derby cover is designed to fit a wide range of Harley models from 1996-2013, including Dyna and several touring variants. It includes both a derby cover and a timing cover, with careful machining to maintain a secure, visually consistent fit. The kit emphasizes compatibility with standard factory dimensions for simple installation.
H-Words-D Derby Cover By Yarmile
The H-Words-D derby cover from Yarmile uses heavy-duty billet aluminum for durability and resistance to corrosion. It features laser-engraved logos and a domed surface with a choice of black anodized or chrome polished finishes, aiming to deliver a refined, long-lasting upgrade. It installs with factory bolts and is designed to be clean and straightforward to mount.
MZS Derby Timer Covers 5 Hole Design
The MZS derby timer covers cater to 1999-2017 Dyna, Softail, Fat Boy, and other 5-hole pattern models. They use full CNC billet 6061-T6 aluminum for enhanced corrosion resistance and durability. The finish options include black anodized and chrome polishing to achieve a bold, aggressive look that stands up to all-weather conditions.
Buying Guide: Key Considerations For Derby Covers
- Model compatibility: Verify the year, engine type, and specific model family (Dyna, Softail, Touring, etc.) to ensure a proper fit with the 5-hole or factory bolt patterns.
- Material and finish: CNC billet aluminum provides strength and heat resistance; finishes range from black anodized to chrome polished—choose a finish that complements your engine and frame.
- Included hardware: Some sets include timing covers, gaskets, or gaskets; confirm what’s included to avoid extra shopping.
- Installation effort: Look for bolt-on replacements that use existing mounting points and bolts for a straightforward installation; avoid sets that require drilling or custom adapters.
- Aesthetic goals: Decide between subtle, monochrome finishes and bold, high-contrast options like gloss black with chrome accents or “Live to Ride” styling.
- Seal integrity: If you replace gaskets or add timing covers, ensure the kit provides proper sealing to prevent oil leaks and maintain performance.
- Maintenance implications: Aluminum covers are durable but can scratch; consider finishing care to preserve the look over time.
- Warranty and compatibility notes: Cross-check OEM part numbers and model-specific notes to prevent mismatches that could affect performance or clearance.
Overall, these derby and timing covers offer a mix of rugged durability and distinctive styling. For riders who prioritize a cohesive look across engine components, a matching derby and timing cover set can provide a unified visual upgrade with reliable fitment across common Harley-Davidson and twin-cam platforms.