JE Pistons
JE Pistons Ring Sets 1.2 / 1.2 / 2.5 Subaru EJ257 Block w/EJ20 Head - JG4904-3937
- SKU:
- JEPJG4904-3937
- UPC:
- 193564241924
- MPN:
- JG4904-3937
- Availability:
- Regularly stocked product
Description
What is the primary function of piston rings?
Piston rings are engineered to create a dynamic seal within the cylinder, efficiently controlling oil and maximizing combustion pressure for peak engine performance.
Are JE Piston Rings suitable for all engine builds?
Achieve optimal engine performance with JE Piston Rings, offering a vast selection of sizes and materials precisely tailored to your specific build.
JE Piston Rings are engineered to maximize horsepower and deliver an exhilarating driving experience for performance enthusiasts seeking 10/10 engine performance. Featuring a highest quality ductile iron top ring with plasma-moly inlay, these piston rings ensure exceptional sealing and durability for demanding applications. Trust JE Pistons for unparalleled combustion efficiency and power gains.
Key Features
- JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure
- offered in a huge selection of sizes, various materials, and in multiple thicknesses
- JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating
- Highest quality ductile iron top ring with plasma-moly inlay
- standard or low tension oil rings
- Taper faced reverse torsional second rings
Why Choose the JE Piston Rings
Delivers maximum horsepower by precisely sealing combustion pressure for exhilarating acceleration.
Achieves optimal engine performance with a vast selection of sizes and materials tailored to your build.
Provides enhanced engine longevity and reliability through advanced custom ring services and coatings.
Ensures superior oil control and reduced friction for a smoother, more powerful driving experience.
Who Is This For?
Track / Autocross — 9/10
Maximizes horsepower through precision sealing.
Drag Racing — 9/10
Maximizes horsepower through precision sealing.
Racing Competition — 9/10
Maximizes horsepower through precision sealing.
Street Performance — 8/10
Precision sealing enhances combustion pressure for performance.
Engine Performance — 10/10
Designed to maximize horsepower through precision sealing.
Frequently Asked Questions
Who manufactures JE Piston Rings?
JE Pistons designs and manufactures JE Piston Rings. These rings are engineered to deliver maximum horsepower through precision sealing of combustion pressure, ensuring optimal engine performance for builds scoring a 10 in Engine Performance usage. Trust JE Pistons for unparalleled combustion efficiency.
What is the installation process for JE Piston Rings?
Professional installation is recommended for JE Piston Rings to ensure proper fitment and function. This advanced installation level guarantees the rings achieve optimal engine performance, as highlighted in their 10/10 Engine Performance usage score. Confirm fitment with a qualified technician for confident installation.
How much horsepower can JE Piston Rings support in racing applications?
JE Piston Rings are designed to maximize horsepower and are rated 9/9 for Track/Autocross usage due to their precision sealing of combustion pressure. This superior sealing directly translates to exhilarating acceleration and peak performance in demanding motorsports environments. Experience the power of precise combustion sealing.
What are the material options for JE Piston Rings?
JE Piston Rings are offered in a huge selection of sizes, various materials, and in multiple thicknesses to achieve optimal engine performance. They feature a highest quality ductile iron top ring with plasma-moly inlay and standard or low tension oil rings. Tailor your build with materials for enhanced engine longevity and reliability.
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.
Browse More: Shop All Piston Rings — Engine Components
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
JG4904-3937 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Rings |
Universal Fitment: |
Y |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Engine Performance: |
10/10 |
Related Products
Related Products
JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore CR 8.5 KIT Set of 4 Pistons - 296349
JE Pistons
JE Pistons Ring Sets 1.0-1.2-2.8-3.209 - JG1004-3209
JE Pistons
JE Pistons Ring Sets 1.0-1.2-2.8-3.250 - JG1004-3250
JE Pistons