Wiseco
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit - K598M100
- SKU:
- WISK598M100
- UPC:
- 193564447906
- MPN:
- K598M100
- Availability:
- Regularly stocked product
Description
Do these pistons come with wrist pins?
Piston Sets - Forged - 4cyl typically include high-strength wrist pins; always confirm vehicle fitment for precise inclusion.
Are these pistons designed for street use?
Engineered for race-only applications, these pistons withstand extreme conditions for peak performance and are best suited for competition.
Wiseco Piston Sets - Forged - 4cyl deliver extreme strength and durability for relentless track abuse, scoring a 10 for Racing Competition. Constructed from 2618 aluminum with precision ring grooves and anti-detonation features, these pistons are engineered for peak performance in race-only applications. Install these 4-cylinder pistons with confidence for unmatched motorsport power.
What Owners Say
Owners and enthusiasts consistently praise Wiseco piston sets for delivering high quality at a competitive price point, with many highlighting the excellent value compared to premium alternatives. The pistons themselves earn strong marks for performance and reliability, with builders noting they represent a smart choice when balancing budget and quality. Some users caution that while the pistons perform well, Wiseco's cranks have seen reported failures and should be avoided, and replacement ring sets can be challenging to source with some fitment differences from OEM. Despite these concerns, the piston sets maintain a solid reputation in the performance community as a dependable, cost-effective option for engine builds.
Key Features
- 2618 aluminum
- Precision ring grooves
- anti-detonation groove
- additional ring seal improving features
- ArmorGlide Skirt Coating
- Forced pin oiling
Why Choose the WIS Piston Sets - 4 Cyl
Delivers extreme strength and durability for relentless track abuse.
Achieves optimal ring seal for maximum power and efficiency.
Provides enhanced detonation resistance for aggressive tuning and high boost.
Transforms engine reliability with superior lubrication and reduced friction.
Who Is This For?
Racing Competition — 10/10
Engineered for race-only applications, withstands extreme conditions.
Engine Performance — 9/10
2618 aluminum, anti-detonation groove, forced pin oiling.
Track / Autocross — 9/10
Designed for extreme conditions, peak performance.
Drag Racing — 9/10
Withstands extreme conditions for peak performance.
Street Performance — 7/10
Forged pistons can improve performance, but race-only focus.
Frequently Asked Questions
Do these Wiseco 4-cylinder forged pistons fit my specific vehicle?
Confirming exact vehicle fitment is crucial before purchase to ensure optimal performance. Always consult a qualified technician to verify compatibility with your specific 4-cylinder application. This ensures the pistons will integrate seamlessly into your engine build.
What level of technical skill is required to install these Wiseco 4-cylinder forged pistons?
Professional installation is strongly recommended for these high-performance pistons to guarantee proper function. A qualified technician will ensure precise installation, maximizing the benefits of the 2618 aluminum construction. This expertise guarantees the engine's reliability and performance.
How do these Wiseco pistons enhance my engine's racing performance?
These Wiseco pistons deliver peak performance, scoring a 10 for Racing Competition usage. Their 2618 aluminum construction and anti-detonation grooves are engineered to withstand extreme conditions. This makes them ideal for achieving maximum power and durability on the track.
Is upgrading to Wiseco forged pistons from OEM pistons beneficial for my 4-cylinder engine?
Upgrading to these Wiseco forged pistons provides extreme strength and durability, significantly outperforming OEM specifications. The 2618 aluminum alloy offers superior resilience for aggressive tuning and high boost applications. This technical advantage ensures enhanced engine reliability and peak performance.
What advanced features do Wiseco's 4-cylinder forged pistons offer for engine reliability?
These pistons offer enhanced detonation resistance and superior lubrication, transforming engine reliability. The ArmorGlide Skirt Coating and precision ring grooves reduce friction and improve oil control. This advanced engineering contributes to a robust and efficient 4-cylinder engine build.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004–2012 | Subaru | Impreza | WRX STI |
| 2007–2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
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 |
|---|---|---|---|
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
K598M100 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Product Level: |
Race Only |
Racing Competition: |
10/10 |
Engine Performance: |
9/10 |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Street Performance: |
7/10 |
Related Products
Related Products
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit - K598M100AP
Wiseco
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.75 Piston Shelf Stock Kit - K598M9975AP
Wiseco
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.75 Piston Shelf Stock Kit - K598M9975
Wiseco
Wiseco Toyota Turbo 4v Dished -16cc 82MM Piston Shelf Stock Kit - K565M82
Wiseco