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HKS Step 2 Stroker Kit Mitsubishi EVO VIII | IX 4G63 03-07 - 21004-AM005

HKS Stroker Kit 21004-AM005 for Mitsubishi EVO VIII | IX 4G63 (2003-2007)

Revitalize your Mitsubishi EVO VIII or IX with the HKS Stroker Kit 21004-AM005. This comprehensive kit is designed to enhance your vehicle's performance by increasing displacement and power, making it an ideal choice for those looking to push their 4G63 engine beyond 500 HP.

Key Features:

  • Forged Aluminum Piston Set: Built for durability and performance.
  • Bore Size: 86.0mm for optimal engine breathing.
  • Compression Ratio: 9.0:1, striking a balance between power and reliability.
  • Billet Crankshaft: Designed to withstand high RPMs, with a displacement of 2.3L.
  • Forged Connecting Rods: With a stroke of 96mm, these rods are engineered for strength.
  • Suitable for High-Power Applications: Perfect for setups aiming for 500+ HP.
  • Boring & Honing Required: Ensure proper 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 reported significant improvements in throttle response and overall power delivery after installing the HKS Stroker Kit. Many appreciate the quality of the forged components, noting that the kit seamlessly integrates with their existing setup, making it a reliable choice for both street and track use.

Important Notes:

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

Other Part Numbers:
HKS #hks21004-AM005

Proposition 65

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

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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Things
Sale price None
Wholesale price $6,120.66
Shipping Weight: 45.00
Length: 24
Width: 15
Height: 10
Product Added At Tuesday 07 July, 2015
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber Strict MAP Core Updated
Turn 14 $5,187.00 $6,500.00 ? $6,175.00 ? 2025-07-11 10:24:52


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