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Product Details
| Part Number: | K631M86 |
| Brand: | Wiseco |
| Bore: | 86mm |
| Compression Ratio: | 9.6:1 |
| Includes Piston Rings: | Yes |
Upgrade your Honda K20A engine with the Wiseco K631M86 Professional Series forged racing pistons, designed for serious racers and performance enthusiasts. These pistons are crafted from premium materials to ensure maximum durability and high-performance capabilities in demanding racing applications. Built with custom-level features, they provide reliable power and longevity under heavy to severe duty conditions, making them ideal for high-performance engine builds.
Manufactured by Wiseco, a trusted name in racing pistons, these components come with premium rings included for precise sealing and performance. The pistons are engineered to withstand high RPMs and extreme conditions, providing consistent power output and enhanced engine response. Note that these pistons are not carb-approved and require proper acknowledgment of their intended use, making them suitable for race applications and not for street-legal vehicles. With their forged construction and race-focused design, Wiseco*s K631M86 pistons remove limits and enable serious performance upgrades for your Honda engine.
Each piston features an 86.00 mm bore diameter and a 30.00 mm compression height to optimize engine compression ratios and improve combustion efficiency. The pistons are equipped with a 0.866-inch pin diameter, ensuring compatibility with standard Honda K20A engine components. The set includes four pistons, making it suitable for complete engine rebuilds or upgrades, and is designed to fit Honda K20A/Z engines from 2002 to 2006 Acura RSX models.
Manufactured by Wiseco, a trusted name in racing pistons, these components come with premium rings included for precise sealing and performance. The pistons are engineered to withstand high RPMs and extreme conditions, providing consistent power output and enhanced engine response. Note that these pistons are not carb-approved and require proper acknowledgment of their intended use, making them suitable for race applications and not for street-legal vehicles. With their forged construction and race-focused design, Wiseco*s K631M86 pistons remove limits and enable serious performance upgrades for your Honda engine.
Features:
- Forged construction for maximum strength and durability
- Designed for high-performance racing applications
- 86.00 mm bore diameter for optimal compression
- Includes a set of 4 pistons for a complete engine rebuild
- Premium rings included for sealing and performance
- Compatible with Honda K20A/Z engines from 2002-2006 Acura RSX
- 0.866-inch pin diameter for reliable mounting
- Built to withstand high RPMs and severe duty conditions
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2002 | Acura | RSX | Type-S |
| 2003 | Acura | RSX | Type-S |
| 2004 | Acura | RSX | Type-S |
| 2005 | Acura | RSX | Type-S |
| 2006 | Acura | RSX | Type-S |
Engine Fitment
Honda 2.0L/1998CC - 4 Cylinder (K20A2)
Honda 2.0L/1998CC - 4 Cylinder (K20Z1)
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