Wiseco
Wiseco Chevrolet LS 4.070in Bore 1.304in CH -3.20 CC Professional Piston Set - K398X7
- SKU:
- WISK398X7
- UPC:
- 00193564072405
- MPN:
- K398X7
- Availability:
- Regularly stocked product
Description
Are Wiseco forged pistons compatible with my engine?
Wiseco forged pistons are engineered for specific 8-cylinder applications; always confirm exact vehicle fitment before installation.
What is the recommended installation procedure for these pistons?
Install these pistons as a direct replacement following manufacturer specifications for optimal performance and durability.
Wiseco Piston Sets - Forged - 8cyl are built for extreme durability, achieving a score of 10 for Racing Competition. Constructed from advanced 2618 aluminum with precision ring grooves, they ensure optimal ring seal for maximum power. Trust these pistons for championship-winning performance and unparalleled engine reliability.
What Owners Say
Owners and enthusiasts consistently praise Wiseco piston sets for delivering solid performance at a competitive price point, noting they offer stronger forging and superior ring packages compared to alternatives like Mahle. The Pro Tru line earns particular appreciation as a budget-friendly option that doesn't sacrifice quality. However, some builders caution that descriptions like "drop in" can be misleading—expect to rebalance your rotating assembly regardless of advertised compatibility. A few users report design concerns at higher power levels, suggesting these pistons perform best in moderate builds. Despite minor criticisms, Wiseco maintains a strong reputation among engine builders seeking reliable forged components without premium pricing.
Key Features
- 2618 aluminum
- Precision ring grooves
- anti-detonation groove
- additional ring seal improving features
- ArmorGlide Skirt Coating
- Fully machined crown features Forced pin oiling
Why Choose the WIS Piston Sets - 8 Cyl
Delivers extreme durability and reliability under the most demanding race conditions.
Achieves optimal ring seal for maximum power and consistent compression.
Provides superior piston skirt protection and reduced friction for enhanced engine life.
Maximizes oil flow to the wrist pin for critical lubrication and reduced wear.
Who Is This For?
Racing Competition — 10/10
Product position is race_only, forged aluminum, precision features.
Engine Performance — 9/10
Achieves optimal ring seal for maximum power.
Track / Autocross — 9/10
Forged aluminum, anti-detonation, optimal ring seal.
Drag Racing — 9/10
Forged aluminum, optimal ring seal for maximum power.
Street Performance — 7/10
Forged aluminum, optimal ring seal for maximum power.
Frequently Asked Questions
How do Wiseco forged pistons enhance engine power?
Achieving optimal ring seal maximizes power and consistent compression, a key performance outcome for racing applications. These pistons contribute to a score of 10 for Racing Competition usage, ensuring maximum output. Trust these components for your high-performance engine build.
Are Wiseco pistons a worthwhile upgrade from OEM components?
Upgrading provides extreme durability and reliability under demanding race conditions, a significant improvement over stock components. This is due to their 2618 aluminum construction and precision features, offering a substantial performance gain. Invest in superior engine longevity and power.
What is the installation process for Wiseco forged pistons?
Installation is a straightforward drop-in type, designed for seamless integration into your 8-cylinder engine. This ease of installation complements their advanced design and performance benefits. Ensure proper fitment verification for a confident build.
How do Wiseco pistons improve engine longevity?
Superior piston skirt protection and reduced friction from ArmorGlide Skirt Coating enhance engine life. This benefit is supported by a score of 9 for Engine Performance and Track/Autocross usage. Benefit from reduced wear and extended operational life.
Can I confirm if Wiseco forged pistons fit my vehicle?
Confirming fitment with your specific vehicle is essential for optimal performance and compatibility. These pistons are designed for 8-cylinder applications and require verification against your vehicle's specifications. Ensure a perfect match for your build.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998–2002 | Chevrolet | Camaro | Z28 |
| 1997–2004 | Chevrolet | Corvette | Base |
| 1998–2002 | Pontiac | Firebird | Formula |
| 2004 | Pontiac | GTO | Base |
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 |
|---|---|---|---|
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1997-2004 | Chevrolet | Corvette | Base |
| 1998-2002 | Pontiac | Firebird | Formula |
| 2004 | Pontiac | GTO | Base |
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
K398X7 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 8cyl |
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