Wiseco
Wiseco Honda K24 w/K20 Head +5cc 12.5:1 CR Piston Shelf Stock Kit - K634M87
- SKU:
- WISK634M87
- UPC:
- 00193564077509
- MPN:
- K634M87
- Availability:
- Regularly stocked product
Description
What vehicles do these pistons fit?
These Wiseco forged pistons are engineered to precisely fit 2002-2011 Acura RSX/TSX and Honda Accord/CR-V/Element models.
Are these pistons easy to install?
Professional installation is strongly recommended for these high-performance forged racing pistons to ensure optimal function and longevity.
Wiseco Professional Series forged racing pistons deliver ultimate engine performance and durability, scoring a 10/10 for engine performance. Constructed from 2618 aluminum with precision ring grooves, these 4-cylinder pistons offer race-proven strength for extreme demands. Trust Wiseco for superior durability and thermal stability.
What Owners Say
Owners and enthusiasts consistently praise Wiseco piston sets for delivering high quality at a competitive price point, with many noting they offer better value than comparable options while maintaining the precision and durability Wiseco is known for. The pistons themselves earn strong recommendations across multiple engine platforms, though some builders caution that Wiseco cranks have experienced reliability issues and should be avoided. Users report modest but real performance gains, particularly with higher compression variants, and appreciate the cost savings compared to premium alternatives without sacrificing build quality. Wiseco piston sets have earned their reputation as a trusted, budget-conscious choice for serious engine builds.
Key Features
- Professional Series forged racing pistons
- 2618 aluminum
- Precision ring grooves
- anti-detonation groove
- ArmorGlide Skirt Coating
- Forced pin oiling
Why Choose the WIS Piston Sets - 4 Cyl
Delivers race-proven strength for extreme engine demands.
Achieves superior durability and thermal stability under pressure.
Provides precise ring seal for maximum power and efficiency.
Transforms engine reliability with advanced lubrication technology.
Who Is This For?
Track / Autocross — 9/10
Forged racing pistons for ultimate performance and durability.
Drag Racing — 9/10
Forged racing pistons for ultimate performance and durability.
Racing Competition — 9/10
Professional Series forged racing pistons built for performance.
Street Performance — 8/10
Forged pistons enhance engine performance and durability.
Engine Performance — 10/10
Forged racing pistons for ultimate 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: |
K634M87 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Engine Performance: |
10/10 |
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