ARP Harmonic Balancer Bolt Kit 4G63 — Fits 90-99 Mitsubishi Eclipse

SKU: ARP207-2501

About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read more

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

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About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Secure Your 4G63 Harmonic Balancer

The harmonic balancer on your Mitsubishi 4G63 engine is subjected to immense vibration and stress. Ensure it stays perfectly seated with this ARP Harmonic Balancer Bolt Kit. Designed specifically for the 2.0L DOHC 4G63 engine, this kit provides a significant upgrade over the factory bolt, ensuring your balancer remains locked in place even under extreme racing conditions.

Key Features

  • Fits 1990-1999 Mitsubishi Eclipse (GST/GSX), Eagle Talon TSi, and Plymouth Laser RS
  • Manufactured from high-strength 8740 chromoly steel
  • Precision-machined for exact fitment
  • Corrosion-resistant finish

A loose or failing harmonic balancer bolt can lead to catastrophic engine damage, including keyway failure and crankshaft damage. By installing this ARP kit, you gain the confidence that your rotating assembly is protected. The increased clamping force ensures that the balancer is held firmly against the crank, maintaining proper timing and reducing vibration. This is an essential component for any 4G63 build, whether you are running stock power or a high-boost turbo setup. Upgrade your engine's reliability with the best hardware on the market. Get your performance parts from GGCRACING.

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Secure Your 4G63 Harmonic Balancer

The harmonic balancer on your Mitsubishi 4G63 engine is subjected to immense vibration and stress. Ensure it stays perfectly seated with this ARP Harmonic Balancer Bolt Kit. Designed specifically for the 2.0L DOHC 4G63 engine, this kit provides a significant upgrade over the factory bolt, ensuring your balancer remains locked in place even under extreme racing conditions.

Key Features

  • Fits 1990-1999 Mitsubishi Eclipse (GST/GSX), Eagle Talon TSi, and Plymouth Laser RS
  • Manufactured from high-strength 8740 chromoly steel
  • Precision-machined for exact fitment
  • Corrosion-resistant finish

A loose or failing harmonic balancer bolt can lead to catastrophic engine damage, including keyway failure and crankshaft damage. By installing this ARP kit, you gain the confidence that your rotating assembly is protected. The increased clamping force ensures that the balancer is held firmly against the crank, maintaining proper timing and reducing vibration. This is an essential component for any 4G63 build, whether you are running stock power or a high-boost turbo setup. Upgrade your engine's reliability with the best hardware on the market. Get your performance parts from GGCRACING.

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