Wiseco

Wiseco Acura 4v DOME +5cc STRUTTED 81.0MM Piston Kit - K566M81AP

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SKU:
WISK566M81AP
UPC:
00193564075543
MPN:
K566M81AP
Availability:
Regularly stocked product
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$776.99
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Description

Are Wiseco forged pistons suitable for my 4-cylinder engine?
Wiseco forged pistons are engineered for specific 4-cylinder applications; confirm precise fitment for your vehicle's engine model.

What is the installation difficulty for Wiseco forged pistons?
Professional installation is strongly recommended due to the advanced nature and precision required for these high-performance forged pistons.

Wiseco Piston Sets - Forged - 4cyl are engineered for heavy to severe duty race builds, achieving a perfect 10 score for Racing Competition. These Professional Series forged racing pistons feature custom-level performance and durability. Trust these premium components for race-winning power and extreme longevity under pressure.

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 performance standards expected from the brand. The pistons themselves earn strong marks for reliability and solid construction, though some users caution that Wiseco cranks have experienced failures and should be avoided. Builders appreciate the modest power gains from higher compression options, typically adding a few horsepower to their builds. A few owners mention that replacement oil rings can be tricky to source and install. Overall, Wiseco pistons have built a trusted reputation in the performance community as a reliable, budget-conscious choice for engine builds.

Key Features

  • Professional Series forged racing pistons
  • custom-level performance and durability features
  • premium rings
  • heavy to severe duty race builds
  • ArmorGlide Skirt Coating
  • Forced pin oiling

Why Choose the WIS Piston Sets - 4 Cyl

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

Achieves custom-tuned engine response and extreme longevity under pressure.

Provides superior lubrication and reduced friction for peak engine efficiency.

Transforms your engine into a hardened competitor built for relentless abuse.

Who Is This For?

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

Engine Performance — 9/10
Engineered for custom-level performance and durability.

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

Drag Racing — 9/10
Forged racing pistons built for extreme conditions.

Street Performance — 7/10
Offers custom-level performance and durability features.

Frequently Asked Questions

Are Wiseco forged pistons suitable for my 4-cylinder engine?

Confirming vehicle fitment for Wiseco piston sets is paramount for optimal performance. Always verify compatibility with your specific 4-cylinder vehicle before purchase to ensure a precise match. This step guarantees your engine receives the intended performance upgrade.

What is the installation difficulty for Wiseco forged pistons?

Professional installation is recommended for Wiseco forged piston sets to ensure proper integration. This approach guarantees that specialized knowledge is applied, achieving custom-level performance and durability. Trust a qualified technician for the best outcome.

How much performance improvement can I expect from Wiseco forged pistons?

Achieving custom-level performance and durability is a key benefit, scoring a 9 out of 10 for Engine Performance. These pistons are engineered to transform your engine into a hardened competitor, ready for demanding use. Expect a significant uplift in your engine's capabilities.

Is upgrading to Wiseco forged pistons from my stock pistons worthwhile?

Upgrading to Wiseco forged pistons delivers race-winning power and unwavering reliability, far exceeding stock capabilities. Their professional series construction provides custom-level performance and durability features, essential for severe duty race builds. This upgrade offers substantial performance gains.

What is the best use case for Wiseco forged pistons?

These pistons are best for Race Competition, earning a perfect score of 10. Their Professional Series forged racing design provides custom-level performance and durability for extreme conditions. Wiseco forged pistons are engineered to thrive under relentless abuse.

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:
K566M81AP
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:
9/10
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
7/10
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