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  See more parts for Mitsubishi Evolution
Select the year of your Mitsubishi Evolution:
HKS Step 1 Stroker Kit Mitsubishi EVO VIII | IX 4G63 03-07 - 21004-AM004

HKS Stroker Kit 21004-AM004 for Mitsubishi EVO VIII | IX 4G63 (2003-2007)

Boost your Mitsubishi EVO's performance with the HKS Stroker Kit 21004-AM004, designed specifically for the 4G63 engine from 2003 to 2007. This comprehensive kit is engineered to increase your engine's displacement and power, making it an ideal choice for those looking to push their vehicle to new limits.

Key Features

  • Forged Aluminum Piston Set: Durable and lightweight, these pistons are built for high performance.
  • Bore: 85.5mm for optimal engine efficiency.
  • Compression Ratio: 9.0:1, striking a balance between power and reliability.
  • Billet Crankshaft: Engineered for strength and precision.
    • Displacement: 2.3L, enhancing your engine’s capabilities.
  • Forged Connecting Rods: Designed to withstand high horsepower applications.
    • Stroke: 96mm, contributing to increased torque.
  • Power Potential: Suitable for applications exceeding 500 HP.
  • Boring & Honing Required: Ensure perfect fitment and performance.
  • Complete Kit: Includes piston rings, retaining clips, and wrist pins for a hassle-free installation.

Fitment

  • Mitsubishi EVO VIII | IX 4G63 (2003-2007)

Customer Feedback

Users have noted significant improvements in their EVO's throttle response and overall power delivery after installing the HKS Stroker Kit. Many appreciate the quality of the components and report a smoother driving experience, especially during high-performance applications.

Important Notes

  • Images are for marketing purposes only; the actual product may vary.

Other Part Numbers:
HKS #hks21004-AM004

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2003-2006
 Mitsubishi Evolution

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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