Wiseco
Wiseco Acura K20 K24 FLAT TOP 1.181X87MM Piston Shelf Stock Kit - K631M87
- SKU:
- WISK631M87
- UPC:
- 00193564077431
- MPN:
- K631M87
- Availability:
- Regularly stocked product
Description
Do I need to confirm fitment for these pistons?
Yes, confirming fitment with your specific vehicle ensures optimal installation and performance of these forged 4cyl piston sets.
What is the recommended installation type for these pistons?
Professional installation is recommended to guarantee correct assembly and maximize the extreme durability these forged pistons offer.
WIS Piston Sets - Forged - 4cyl deliver ultimate race-winning power, scoring 10 for Racing Competition. Engineered from 2618 aluminum with precision ring grooves and anti-detonation features, these Professional Series forged racing pistons are built for extreme durability. Trust in their superior strength for peak engine performance in demanding conditions.
What Owners Say
Owners and enthusiasts consistently praise Wiseco piston sets for delivering high quality at a competitive price point, with many noting they represent better value compared to premium alternatives while maintaining the performance standards expected from the brand. The Pro Tru and standard lines earn particular recognition for their budget-friendly positioning without sacrificing reliability. Some users report that Wiseco's oil ring sets can be difficult to work with and note concerns about certain crankshaft products, though the pistons themselves maintain a strong reputation. Builders appreciate the modest horsepower gains from higher compression options and find the quality-to-price ratio compelling for both restoration and performance builds. Wiseco's long-standing presence in the engine building community continues to earn trust across multiple platforms.
Key Features
- Professional Series forged racing pistons
- 2618 aluminum
- Precision ring grooves
- anti-detonation groove
- additional ring seal improving features
- ArmorGlide Skirt Coating
- Forced pin oiling
Why Choose the WIS Piston Sets - 4 Cyl
Delivers extreme durability and power for demanding race conditions.
Achieves superior strength and heat resistance for peak engine performance.
Provides enhanced ring seal for maximum compression and power output.
Transforms engine reliability with advanced lubrication and friction reduction.
Who Is This For?
Racing Competition — 10/10
Professional Series forged racing pistons engineered for ultimate race-winning power.
Engine Performance — 9/10
Forged 2618 aluminum, precision grooves, anti-detonation, improved seal.
Track / Autocross — 9/10
Designed for high-performance racing applications and reliability.
Drag Racing — 9/10
Engineered for ultimate race-winning power and reliability.
Street Performance — 7/10
Forged construction offers enhanced performance over stock.
Frequently Asked Questions
Will the Wiseco WIS Piston Sets - 4 Cyl fit my vehicle?
These Wiseco piston sets are engineered to fit select 4-cylinder Acura and Honda models. Specifically, they are confirmed to fit 2002-2011 Acura RSX/TSX and Honda Accord/CR-V/Element vehicles. This precise fitment ensures optimal performance for these applications.
How difficult is the Wiseco WIS Piston Sets - 4 Cyl installation?
Professional installation is strongly recommended for the Wiseco WIS Piston Sets - 4 Cyl. Confirmation with a qualified technician is advised for this advanced engine component. Proper installation is critical for unlocking their full performance potential.
What performance improvement does the WIS Piston Sets - 4 Cyl provide over stock?
These pistons deliver a significant performance upgrade, achieving a "Racing Competition" score of 10. The forged 2618 aluminum construction and advanced ring sealing features translate to extreme durability and power for demanding race conditions. Experience a substantial uplift in engine capability.
Is the Wiseco WIS Piston Sets - 4 Cyl worth upgrading from OEM?
Upgrading to Wiseco WIS Piston Sets - 4 Cyl is highly recommended for enhanced engine reliability and peak performance. Their forged 2618 aluminum construction provides superior strength and heat resistance compared to OEM, ensuring maximum compression and power output. This upgrade transforms engine reliability.
What are the primary materials used in the Wiseco WIS Piston Sets - 4 Cyl?
The Wiseco WIS Piston Sets - 4 Cyl are meticulously crafted from 2618 aluminum. This premium material is selected for its exceptional strength and heat resistance, which are crucial for delivering extreme durability and power for demanding race conditions. This material choice ensures peak engine performance.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Type-S |
| 2004-2008 | Acura | TSX | Base |
| 2003-2005 | Honda | Accord | DX |
| 2003-2007 | Honda | Accord | EX |
| 2007 | Honda | Accord | EX-L |
| 2003-2007 | Honda | Accord | LX |
| 2006 | Honda | Accord | LX Special Edition |
| 2005 | Honda | Accord | SE |
| 2007 | Honda | Accord | Special Edition |
| 2006-2007 | Honda | Accord | Value Package |
| 2002-2006 | Honda | CR-V | EX |
| 2002-2006 | Honda | CR-V | LX |
| 2005-2006 | Honda | CR-V | SE |
| 2003-2004 | Honda | Element | DX |
| 2003-2011 | Honda | Element | EX |
| 2004-2011 | Honda | Element | LX |
| 2007-2010 | Honda | Element | SC |
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
K631M87 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Product Level: |
Race Only |
Racing Competition: |
10/10 |
Engine Performance: |
9/10 |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Street Performance: |
7/10 |
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