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JDC Billet Aluminum Cam Trigger Housing Covers | Evo 4-9/2G DSM

Refine the engine bay of your Mitsubishi with the JDC Billet Aluminum Cam Trigger Housing Covers, precision CNC machined to deliver a clean, high-end finish that stands out without being overdone. Designed for enthusiasts who appreciate attention to detail, these covers replace the factory units with a smoother, more refined appearance.

Each piece is machined from high-quality billet aluminum, featuring smooth, chamfered edges, a polished inner face, and a brushed outer surface for a balanced OEM-plus aesthetic. The contrast between finishes creates depth and visual interest while maintaining a performance-focused look.

These cam trigger housing covers are an easy upgrade that instantly elevates your engine bay presentation, whether you’re building a show car, refreshing an aging setup, or completing a detailed performance build.

Select your preferred options from the drop-down menu to customize the look to your build.

Key Features

  • CNC machined from billet aluminum
  • Polished inner face with brushed outer finish
  • Smooth, clean edge design
  • Direct replacement fitment
  • Ideal for engine bay dress-up and show builds

For a full list of colors check out our JDC Titanium Color Options. If you want to learn how to keep your titanium clean take a look at JDC Titanium Maintenance and Care.

Evo 4-8/DSM

  • (1) Cam Trigger Housing Cover
  • (3) Titanium Custom Head Bolts
  • (1) O-Ring Gasket

Evo 9

  • (2) Cam Trigger Housing Covers
  • (6) Titanium Custom Head Bolts
  • (2) O-Ring Gaskets\ 

Orders Containing Titanium

Colored Titanium:

  • All titanium is colored to order unless otherwise stated on the item listing. Please see the banner at the top of the website for the current estimated lead times. Production time can vary depending on your order size, products ordered, and the difficulty of custom options requested.

Bare Titanium/Stainless Steel:

  • In-stock items have a processing time of 3-5 business days.

For orders without titanium, our average processing time is 2-4 business days.

  • CNC machined from 6061 billet aluminum
  • Includes o-ring gasket for a better seal than the factory gasket
  • Includes titanium hardware (Select your color option from the drop-down menu)
  • Laser-etched JDC logo

CNC machined from a single piece of Ti6Al-4V (Grade 5) titanium.

Each piece is hand-polished before receiving our proprietary cold anodizing treatment for colors that will last a lifetime!

For a color chart and information on our titanium products please click here.

GR5 Titanium (Grade 5 Titanium) is a premium alloy composed primarily of titanium, with small amounts of aluminum (6%) and vanadium (4%) for added strength and versatility. Renowned for its exceptional strength-to-weight ratio, GR5 Titanium offers superior corrosion resistance, excellent heat tolerance, and remarkable durability. This makes it an ideal material for aerospace, automotive, medical, and high-performance applications, where lightweight strength and longevity are critical. Its ability to be anodized into vibrant colors further enhances its appeal for customization in industries like motorsports and jewelry.

All JDC Titanium Hardware is backed by a Lifetime Finish Warranty that covers fading or discoloring over time.

JDC Titanium hardware is backed by a Lifetime Finish Warranty covering fading or discoloration of standard JDC titanium finishes. This warranty applies specifically to qualifying JDC titanium hardware products. Products featuring custom logos, artwork, or special designs may not qualify for standard no-charge refinishing and could require a refinishing fee. Warranty does not cover discoloration due to improper use of chemicals.

For more information see: JDC Warranty Policy

JD Customs USA

JD Customs USA specializes in bespoke titanium pieces with virtually unlimited customization options. Known for vibrant colors and unmatched craftsmanship, we bring your creative visions to life. From precision to personalization, our commitment to quality ensures every piece exceeds expectations. At JD Customs USA, we don’t just create products – we deliver perfection.

View More JD Customs USA Products

FAQs

Please read our FAQs page to find out more.

How Do I Keep My Titanium Products Looking Brand New?

Installing: Wear gloves when installing titanium parts to prevent oils from your hands causing a "faded" look. After installation, clean the part before applying heat to avoid baking oils onto the surface.

Cleaning: Use our JDC Titanium Cleaner, designed to safely clean titanium without damaging the finish. Alternatively, clean with soapy water, a microfiber towel, or Windex, rubbing alcohol, or Clorox wipes.

Avoid: Harsh chemicals like water spot remover, engine degreaser, brake cleaner, metal polish, or acidic cleaners—they can damage the oxidized layer and remove the color.

Tip: Always clean when parts are cool to avoid water spots or tarnished finishes.

For detailed care tips, visit our Titanium Maintenance and Care page.