SKU: 22004-AM001 | UPC: 4957266640111
HKS 03-6 Evo 8 & 9 Adjustable Cam Gear 2003-2007 Mitsubishi Lancer Evolution
The HKS 03-6 Adjustable Cam Gear delivers exact camshaft timing adjustments for Mitsubishi Lancer Evolution 8 and 9 models from 2003 to 2007. These cam gears fit the 4G63 engine equipping Evo VIII and IX for improved valve timing and power output. Drivers gain sharper throttle response and higher RPM performance through simple bolt-on installation.
Key Features
- Forged 6061 Aluminum Build: Cuts rotational mass by over 40 percent compared to OEM gears reducing intake gear to 185g and exhaust to 200g for quicker revving
- Hard Anodized Finish: Resists wear and corrosion in high-heat turbo environments ensuring long-term reliability
- Laser Etched Markings: Provides 14 precise adjustment points visible under 1mm accuracy for easy tuning
- Wide Adjustment Range: Offers 10 degrees intake ATDC and 15 degrees exhaust BTDC to dial in optimal timing for cams
- Slotted Lightweight Design: Enhances engine breathing and power across the rev range without adding stress to components
Product Notes
- Pair these gears with HKS 03/6 camshafts for full performance potential
- Verify camshaft compatibility before installation to avoid timing issues
- Store in dry conditions to maintain anodized surface integrity
Installation Notes
- Professional installation recommended.
- Remove stock cam sprockets and align timing marks using HKS instructions
- Includes OEM-spec bolts compatible with factory hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2005 | Mitsubishi | Lancer Evolution | VIII GSR |
| 2003-2005 | Mitsubishi | Lancer Evolution | VIII RS |
| 2003-2005 | Mitsubishi | Lancer Evolution | VIII MR |
| 2006-2007 | Mitsubishi | Lancer Evolution | IX GSR |
| 2006-2007 | Mitsubishi | Lancer Evolution | IX MR |
| 2006-2007 | Mitsubishi | Lancer Evolution | IX SE |
Why Choose HKS?
- Backed by 50 years of JDM motorsport development
- Engineered for 4G63 turbo applications with proven dyno results
- CNC machined in Japan for exact tolerances and balance
Frequently Asked Questions
- Q: Will this fit stock Evo 8 or 9 camshafts?
A: Designed for HKS 03/6 camshafts on 2003-2007 Lancer Evolution VIII and IX with 4G63 engines bolt pattern matches OEM but optimized for HKS cams - Q: What material are the gears made from?
A: Forged 6061-T6 aluminum with hard black anodizing and stainless steel hardware for strength and heat resistance - Q: Does installation require special tools?
A: Standard cam holding tools suffice uses factory bolts no custom parts needed but timing light advised for tuning
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Compact foam-protected box 6 x 5 x 3 inches
- Weight: 1.1 lbs
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