Wiseco

Wiseco Toyota 4AG 4V Domed +5.9cc (6506M82 Piston Shelf Stock Kit - K506M82

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SKU:
WISK506M82
UPC:
00193564074744
MPN:
K506M82
Availability:
Regularly stocked product
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$722.99
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Description

What is the typical lifespan of a set of Wiseco pistons?
Wiseco pistons deliver unwavering reliability under extreme conditions, extending engine longevity significantly for demanding track use.

Are Wiseco pistons good for street use?
ArmorGlide skirt coating on Wiseco pistons reduces friction and noise for improved street performance and comfort.

Wiseco Piston Sets - Forged - 4cyl are engineered for custom-level performance and durability, achieving a perfect 10 score for Engine Performance. These Professional Series forged racing pistons are meticulously engineered, forged, and machined in the USA. Trust these pistons for race-winning power and unwavering reliability under extreme 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 offer better value than premium alternatives while maintaining the reliability Wiseco has built over years. The pistons earn recognition for solid performance gains, particularly in compression builds, though some users report that Wiseco cranks have experienced failures and should be avoided. Ring fitment can occasionally require attention, with the oil rings noted as somewhat difficult during installation. Despite minor concerns, the consensus remains strongly positive—these piston sets represent a trusted choice that balances performance, durability, and value for serious engine builds.

Key Features

  • Professional Series forged racing pistons
  • custom-level performance and durability features
  • premium rings
  • Engineered, forged, and machined in the USA
  • Precision ring grooves
  • anti-detonation groove
  • additional ring seal improving features
  • ArmorGlide Skirt Coating
  • seizure resistant
  • friction reduction
  • quieter operation
  • Designed and built to withstand heavy to severe duty performance applications
  • Fully machined crown
  • Forced pin oiling

Why Choose the WIS Piston Sets - 4 Cyl

Delivers race-winning power and unwavering reliability under extreme conditions.

Achieves peak engine efficiency and responsiveness for exhilarating acceleration.

Provides superior engine protection and longevity for demanding track use.

Transforms your engine's potential with custom-grade performance and durability.

Who Is This For?

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

Track / Autocross — 10/10
Custom-level performance and durability features for demanding use.

Drag Racing — 9/10
Designed for heavy to severe duty performance applications.

Street Performance — 8/10
ArmorGlide Skirt Coating reduces friction and noise.

Engine Performance — 10/10
Forged, machined for custom-level performance and durability.

Daily Driving Comfort — 3/10
Designed for severe duty, not daily driving comfort.

Frequently Asked Questions

What is the origin of Wiseco Professional Series forged pistons?

Wiseco Professional Series forged pistons are engineered, forged, and machined in the USA. This ensures custom-level performance and durability, as reflected in their 10/10 score for Racing Competition and Track/Autocross usage. You gain confidence in American-made quality for demanding applications.

How do Wiseco forged pistons compare to stock for performance enhancement?

Upgrading to Wiseco forged pistons transforms your engine's potential with custom-grade performance and durability, offering a significant advantage over stock components. Their precision ring grooves and premium rings contribute to peak engine efficiency and responsiveness for exhilarating acceleration, scoring 10/10 for Engine Performance. Experience a tangible boost in your vehicle's power.

What level of installation expertise is required for Wiseco 4-cylinder forged pistons?

Professional installation is recommended for Wiseco 4-cylinder forged pistons; confirm fitment with a qualified technician. This advanced maintenance level ensures precise setup for optimal performance and reliability. Proper installation guarantees you achieve the custom-level performance and durability these pistons are designed for.

Can Wiseco forged pistons be installed on my specific 4-cylinder vehicle?

Confirm fitment with your vehicle to ensure compatibility with Wiseco forged pistons. These pistons deliver race-winning power and unwavering reliability under extreme conditions, suitable for performance-oriented applications. Verifying fitment guarantees a perfect integration for enhanced engine performance.

Additional Resources

Official Wiseco Product Page

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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Warranty Information

This Part Fits:

YearMakeModelSubmodel
1988-1991ToyotaCorollaGTS
1985-1989ToyotaMR2GT
1988-1989ToyotaMR2Super Charged
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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
K506M82
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Product Level:
Race Only
Racing Competition:
10/10
Track / Autocross:
10/10
Drag Racing:
9/10
Street Performance:
8/10
Engine Performance:
10/10
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