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HKS Step 1 Stroker Kit Mitsubishi EVO VIII | IX 4G63 03-07

$6,875.00 Sale:$5,981.25


Model #21004-AM004

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HKS Stroker Kits include forged aluminum pistons, complete sets including piston rings, wrist pins, retaining clips, connecting rods and crankshaft. All components are designed to work in conjunction to increase displacement and power.


  • Forged Aluminum Piston Set
  • Bore: 85.5mm
  • Compression Ratio: 9.0 to 1
  • Billet Crankshaft
    • Displacement: 2.3L
  • Forged Connecting Rods
    • Stroke: 96mm
  • Suitable for 500+ HP Applications
  • Boring & Honing Required
  • Includes Piston Rings, Retaining Clips, Wrist Pins
  • Mitsubishi EVO VIII | IX 4G63 2003-2007
  • Pictures for marketing purposes only, actual product may vary

Other Part Numbers:
HKS #hks21004-AM004

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Vehicle Engine Notes
Mitsubishi Evolution

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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