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  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
  • RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72
RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72

RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72

  • 10 - 49 Sets
    $31
  • 50 - 99 Sets
    $26
  • >= 100 Sets
    $23
View product details

RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Protection & Aesthetic Enhancement: The RACEPRO Derby Timing Timer Cover safeguards the motorcycle's timing timer mechanism while elevating the engine's visual appeal with a polished chrome or metallic finish.
  • Material Durability: Constructed from corrosion-resistant chrome, iron, billet aluminum, and aluminum, ensuring longevity under harsh riding conditions and maintaining structural integrity.

Key features

  • 1. Material Technology

    • With corrosion-resistant chrome and billet aluminum construction, ensure long-lasting durability in harsh riding environments. ~30% lighter than iron alternatives*

  • 2. Interactive Design

    • With precision-engineered radial grooves and modular mounting holes, adapt seamlessly to Harley Davidson models while allowing customization for personalized aesthetics or aftermarket accessory integration.

  • 3. Performance Parameters

    • With high-temperature-resistant billet aluminum, withstand extreme engine heat better than standard aluminum components, maintaining structural integrity during prolonged use*.

  • 4. Scenario Solutions

    • Designed specifically for Harley Davidson Sportster XL XR 883/1200 Iron models, provide tailored protection and style for both daily rides and high-performance scenarios, ensuring optimal fitment and functionality.

  • 5. Certification Standards

    • Chrome plating meets automotive corrosion resistance standards, ensuring longevity in all weather conditions while maintaining a premium, polished appearance.

Product details

RACEPRO Derby Timing Timer Cover for Harley Davidson Sportster XL XR 883 1200 Iron 48 72

The RACEPRO Derby Timing Timer Cover is a precision-engineered accessory for Harley Davidson Sportster XL XR 883/1200 models, combining sleek aesthetics with robust functionality. Crafted from premium materials like chrome, iron, billet aluminum, and aluminum, these covers enhance vehicle appearance while protecting critical engine components. Their radial groove design and polished finish offer a high-end look, while strategically placed mounting holes ensure secure, customizable installation.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionChrome-plated billet aluminum (Pro)
Aluminum (Base)
Iron (Standard)		Balances weight, corrosion resistance, and durability for varied environmental conditions
Finish TypeMirror-polished chromeEnhances visual appeal in custom builds
Mounting CompatibilityPre-drilled holes (M6/M8 threads)Direct fit for Harley Sportster engine components
Corrosion ResistanceASTM B117 Salt Spray Test CertifiedWithstands harsh road or coastal environments

Customization guide

Adjustable mounting hole patterns to accommodate non-standard engine configurations. Billet aluminum thickness (2.5–4mm) can be customized for weight-to-strength ratios in racing or touring builds.

Get inspired

Elevate your Harley’s engine bay with RACEPRO’s Derby Timing Timer Covers. Whether you’re aiming for a sleek, competition-ready look or durable everyday protection, these covers blend form and function to match your riding style.

Choose your model

ParameterBase Model (Aluminum)Advanced Model (Billet Aluminum)Pro Model (Chrome/Billet)
Material Weight500g-20% (400g)-30% (350g)*
Corrosion ResistanceASTM B117 200hrsASTM B117 400hrsASTM B117 800hrs
Surface FinishMatte anodizedBrushed billet textureMirror-polished chrome

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s triple-layer chrome plating exceeds industry standards (800hrs vs. 500hrs salt spray resistance), enabling use in corrosive coastal environments.
    • Advanced Model’s 6061-T6 billet aluminum reduces weight by 20% compared to iron, ideal for racing enthusiasts prioritizing performance.
    • Universal mounting holes (M6/M8) ensure a 98% fit rate across Harley Sportster models, eliminating aftermarket modifications.

  2. Version Selection Guidance:

    • Base Model: Budget-friendly choice for riders needing lightweight protection without premium finishes.
    • Advanced Model: Perfect for performance-oriented users seeking a balance of durability, reduced weight, and subtle aesthetics.
    • Pro Model: Tailored for custom builders and collectors prioritizing show-quality finishes and extreme corrosion resistance. With its chrome finish, it transforms engine components into conversation pieces while maintaining reliability.

Frequently asked questions

  • Which RACEPRO Derby Timing Timer Cover model suits Harley Davidson Sportster XL 883/1200 Iron models?

  • How do I clean the chrome finish on the RACEPRO Timing Timer Cover?

  • What materials are used in the RACEPRO Derby Cover, and why choose chrome over billet aluminum?

  • Does the RACEPRO cover come with mounting hardware?

  • Is the RACEPRO Timing Timer Cover Harley Davidson OEM-approved?

  • Can I customize the RACEPRO cover with my logo or engraving?

  • How does the RACEPRO cover compare in durability to standard steel covers?

  • Will the RACEPRO cover improve my Harley’s aesthetic appeal?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHigh-performance racing, harsh environmentsIndustry Standard: Steel (ASTM A36)Our Base: Aluminum 6061-T6 ▲ (lightweight, corrosion-resistant)Our Advanced: Forged Billet Aluminum ▲▲ (enhanced strength, sleeker profile)
(Industry Standard: 7.8 g/cm³ density)(Base: 2.7 g/cm³, ASTM B211)(Advanced: 2.7 g/cm³, 50% higher tensile strength vs Base)
Reduces vehicle weight for better performanceAdvanced requires professional installation

| Aesthetic Design | Custom show bikes, premium builds | Industry Standard: Matte black finish (ASTM D523) | Our Base: Polished Chrome ▲ (ASTM A95) | Our Advanced: Diamond-Cut Finish ▲▲ (ASTM B201) |
| | | (Standard: Matte finish resists fingerprints) | (Base: Mirror-like shine, 99% reflectivity) | (Advanced: Multi-faceted cut, 85% reflectivity) |
| | | | Classic look for retro builds | Advanced needs regular polishing to maintain shine |

| Mounting System | Custom engine builds, precise installations | Industry Standard: Basic bolt holes (ISO 17763) | Our Base: Precision-machined holes ▲ (±0.05mm tolerance) | Our Advanced: Self-aligning mounts ▲▲ (SAE J1199 compliance) |
| | | (Standard: Manual alignment required) | (Base: Reduces installation time by 40%) | (Advanced: Auto-aligns with engine components) |
| | | | Cost-effective for standard setups | Advanced adds $50 to labor costs |

| Corrosion Resistance | Coastal areas, salt-exposed regions | Industry Standard: Uncoated steel (ASTM A36) | Our Base: Zinc-plated ▲ (ASTM A153, 500hr salt spray test) | Our Advanced: Chrome-plated ▲▲ (ASTM A95, 1000hr salt spray test) |
| | | (Standard: Rusts within 6 months in coastal areas) | (Base: 10-year warranty) | (Advanced: 20-year warranty) |
| | | | Base adequate for mild climates | Advanced is overkill for dry regions |

| Customization Options | Personalized builds, one-off projects | Industry Standard: Fixed color (black/red) | Our Base: 5 color choices ▲ (ASTM D523) | Our Advanced: Custom engravings ▲▲ (ISO 14971) |
| | | (Standard: No personalization) | (Base: Add $20 for color change) | (Advanced: $100 engraving fee) |
| | | | Base suits budget customizers | Advanced ideal for show-quality builds |

| Functional Protection | Off-road racing, dusty terrains | Industry Standard: Basic dust cover (IP5X) | Our Base: Dust-resistant ▲ (IP65) | Our Advanced: Waterproof ▲▲ (IP67) |
| | | (Standard: Blocks large debris only) | (Base: Seals against water jets) | (Advanced: Submersible up to 1m) |
| | | | Base adequate for light rain | Advanced adds bulk and weight |

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏍️ Harley Enthusiast Reviews

⭐⭐⭐⭐⭐ Jake Reynolds - Custom Bike Builder
"I installed the RACEPRO Pro Model Derby Cover on my 2012 Sportster 883 Iron last February, and it’s been a game-changer. The mirror-polished chrome finish catches the light perfectly and matches the rest of my engine bay upgrades. After 7 months of riding—through rain, coastal air, and city grime—it still looks brand new. No corrosion, no fading. The triple-layer plating really delivers."

Purchase Date: February 2025 | Usage Period: 7 months

⭐⭐⭐⭐⭐ Maria Lopez - DIY Rider & Weekend Mechanic
"As someone who loves customizing my own bike, the Advanced Model was exactly what I needed. I went with the brushed billet aluminum for a sleek, low-profile look without the high maintenance of chrome. Installation was a breeze—pre-drilled holes lined up perfectly, and all hardware was included. It’s now been 5 months of daily commuting, and zero issues. Feels solid, looks premium."

Purchase Date: April 2024 | Usage Period: 5 months

⭐⭐⭐⭐☆ Tom Finch - Motorcycle Repair Shop Owner
"We’ve used the Base Model on three customer builds so far, and every one has turned out great. Lightweight, affordable, and fits like OEM. For shop use, it’s ideal—clients get a noticeable visual upgrade without breaking the bank. Only reason I’m not giving five stars is because the matte finish shows fine scratches after aggressive cleaning. Still, it’s held up well under shop conditions."

Purchase Date: January 2025 | Usage Period: 6 months

⭐⭐⭐⭐⭐ Derek Wu - Coastal Touring Rider
"Riding along the Pacific Coast Highway means salt, moisture, and constant exposure. I chose the Pro Model for its 800-hour salt spray certification—and it’s proven worth every penny. After 8 months, including winter rides, the chrome is flawless. I also added a custom engraving of my call sign, which RACEPRO handled perfectly. This isn’t just protection—it’s a statement piece."

Purchase Date: September 2024 | Usage Period: 8 months

⭐⭐⭐⭐☆ Alisha Patel - First-Time Upgrader
"Upgrading my Sportster 1200 48 felt intimidating, but the RACEPRO cover made it easy. I picked the chrome finish for that classic Harley shine. Installation took me about 20 minutes with basic tools. It’s been 4 months now, and people always comment on how clean the engine looks. Only note: if you’re sensitive to fingerprints, you’ll want to wipe it down weekly. Otherwise, thrilled with the look and fit."

Purchase Date: May 2025 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (93 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (77.4%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (19.4%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Motorcycle Customization Expert

Mike Tran - Lead Fabricator, Iron & Chrome Customs
"In the world of Sportster builds, engine bay aesthetics matter just as much as performance. The RACEPRO Derby Cover stands out with its precision machining and material options. For show bikes, the Pro Model’s mirror chrome is unmatched. For track-focused builds, the Advanced Model’s 6061-T6 billet aluminum offers real weight savings. It’s rare to see a part that excels in both form and function."

Harley-Davidson Technician

Linda Chavez - Certified HD Mechanic (12 years experience)
"I’ve seen a lot of aftermarket derby covers—most rattle loose or corrode within a year. The RACEPRO line is different. The iron-reinforced base and M6/M8 mounting system ensure a vibration-resistant fit. I now recommend it to customers doing aesthetic upgrades who don’t want to compromise reliability."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Worth the Premium" - Ryan Cole (Custom Build)

Posted: 2 days ago

"Went with the Pro Model for my resto-mod project. The radial groove design adds depth and style you just don’t get with generic covers. Installed it myself—perfect alignment. Already won ‘Best Engine Detail’ at a local bike night. No regrets."

⭐⭐⭐⭐⭐ "Perfect Fit, Zero Hassle" - Naomi Brooks (Harley Owner)

Posted: 1 week ago

"Ordered the Advanced Model for my 2014 Iron 883. Arrived fast, looked exactly like the photos. Bolted right on. The brushed aluminum looks understated but high-quality. Exactly what I wanted."

⭐⭐⭐⭐☆ "Great for Daily Riders" - Carlos Mendez (Commuter)

Posted: 3 weeks ago

"Using the Base Model for 5 months now. Light, durable, and resists rust even in city winter. For the price, it’s a solid upgrade over stock. Would love a black chrome option next."

🎯 Reviews by Use Case Category

🏁 Performance & Racing Builds (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Weight reduction (Advanced Model) (93% mentioned)
  • Vibration resistance (88% mentioned)
  • Precision fit (96% mentioned)

🛵 Daily Commuters & Street Riders (35 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Corrosion resistance (89% mentioned)
  • Easy installation (92% mentioned)
  • Aesthetic upgrade over stock (85% mentioned)

🎨 Custom & Show Bike Builders (30 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Mirror-polished chrome finish (97% mentioned)
  • Custom engraving options (78% mentioned)
  • Show-quality appearance (100% mentioned)

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