Wiseco

Wiseco Nissan SR20 Turbo -12cc 1.260 X 86MM Piston Kit - K556M86AP

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SKU:
WISK556M86AP
UPC:
00193564075321
MPN:
K556M86AP
Availability:
Regularly stocked product
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$784.99
Current Stock: 4

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Description

Will the Wiseco WIS Piston Sets - 4 Cyl fit my vehicle?
Wiseco WIS Piston Sets - 4 Cyl require a fitment confirmation for your specific vehicle before purchase.

How difficult is the Wiseco WIS Piston Sets - 4 Cyl installation?
Professional installation is recommended for Wiseco WIS Piston Sets - 4 Cyl due to their advanced performance specifications.

Wiseco WIS Piston Sets - 4 Cyl are engineered for heavy to severe duty race builds, delivering custom-level performance and durability. Featuring Professional Series forged racing pistons, these sets offer premium rings and superior ring seal for maximum compression. Ensure confident, race-winning power and unwavering reliability for extreme competition with these advanced components.

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 premium alternatives while maintaining the performance standards Wiseco is known for. The pistons themselves have earned a strong reputation for reliability and durability across multiple engine platforms. Some builders note that Wiseco cranks have seen documented failures and should be avoided, though this doesn't extend to their piston products. A few users mention that replacement oil rings can be difficult to source as backup sets. Overall, Wiseco piston sets have built a solid reputation in the performance community as a trusted, budget-conscious choice that doesn't sacrifice quality.

Key Features

  • Professional Series forged racing pistons
  • custom-level performance and durability features
  • premium rings
  • heavy to severe duty race builds
  • Precision ring grooves
  • anti-detonation groove
  • additional ring seal improving features
  • ArmorGlide Skirt Coating
  • seizure resistant
  • friction reduction
  • quieter operation
  • Fully machined crown features
  • Forced pin oiling

Why Choose the WIS Piston Sets - 4 Cyl

Delivers race-winning power and unwavering reliability for extreme competition.

Achieves peak engine efficiency and responsiveness under immense pressure.

Provides superior ring seal for maximum compression and reduced blow-by.

Transforms engine longevity with advanced skirt coating for seizure resistance.

Who Is This For?

Racing Competition — 10/10
Professional Series forged racing pistons for severe duty builds.

Engine Performance — 10/10
Custom-level performance and durability features engineered for racing.

Track / Autocross — 9/10
Engineered for heavy to severe duty race builds.

Drag Racing — 9/10
Designed for heavy to severe duty race builds.

Street Performance — 7/10
ArmorGlide Skirt Coating offers friction reduction and quieter operation.

Daily Driving Comfort — 3/10
Quieter operation is a feature, but not primary focus.

Frequently Asked Questions

Will the Wiseco WIS Piston Sets - 4 Cyl fit my vehicle?

Confirming exact vehicle fitment is essential for the Wiseco WIS Piston Sets - 4 Cyl. Always verify compatibility with your specific vehicle's engine and chassis configuration before purchase. This ensures seamless integration and optimal performance.

How difficult is the Wiseco WIS Piston Sets - 4 Cyl installation?

Professional installation is recommended for the Wiseco WIS Piston Sets - 4 Cyl. Consult a qualified technician to ensure precise fitting and optimal engine assembly for these specialized components. Expert installation guarantees the performance these pistons are engineered for.

What performance improvement does the WIS Piston Sets - 4 Cyl provide over stock?

Expect significant engine performance gains with the Wiseco WIS Piston Sets - 4 Cyl, achieving a usage score of 10 in Racing Competition. These forged pistons deliver custom-level power and durability for extreme engine demands. Experience enhanced responsiveness and race-winning capabilities.

Is the Wiseco WIS Piston Sets - 4 Cyl worth upgrading from OEM?

Upgrading to Wiseco WIS Piston Sets - 4 Cyl is highly recommended for performance applications due to their premium rings and precision ring grooves. This provides a superior ring seal for maximum compression and reduced blow-by, elevating engine efficiency. Achieve peak engine efficiency and responsiveness under immense pressure.

What makes the Wiseco WIS Piston Sets - 4 Cyl suitable for heavy-duty race builds?

Wiseco WIS Piston Sets - 4 Cyl are engineered specifically for heavy to severe duty race builds, offering custom-level performance and durability. Their forged construction and precision ring grooves ensure unwavering reliability in extreme competition. These pistons deliver race-winning power and longevity.

Additional Resources

Official Wiseco Product Page

Installation Guide (PDF)

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.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
K556M86AP
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Universal Fitment:
Y
Product Level:
Race Only
Racing Competition:
10/10
Engine Performance:
10/10
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
7/10
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