As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.
Specifications:
| Description_ASM |
Subaru EJ257 |
| Description_DEF |
Engine Piston |
| Description_FAB |
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
- Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
|
| Description_DES |
Piston Single, 2618, Inv Dome/Dish, 3.918 Bore, 1.209 CD, 0.905 Pin, Set of 1. |
| Description_EXT |
JE, Subaru, EJ Series, 3.917 in. Bore, 9.50:1, Inverted Dome/Dish, Left Piston |
| Description_INV |
JE Pistons, Piston |
| Description_TLE |
Subaru EJ257, 99.52 Bore, Dish, Set of 1 |
| Description_SHO |
Piston |
| Description_MKT |
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. |
| Add-On |
905-042-CT |
| Add-On |
JG4901-3917 |
| Add-On |
905-2250-18-51S |
| Bore Diameter |
99.52 |
| Piston Head Type |
Dish |
| Engine |
EJ SERIES |
| Out of Stock Message |
Call for Availability |
| Oil Ring Thickness |
0.0995 |
| Category Hierarchy |
Auto>JE Pistons>Single Replacement Pistons>Sport Compact |
| Forging Type |
FSR |
| Engine Type |
ICE |
| Piston Material |
2618 |
| Make |
SUBARU |
| Compression Height |
1.209 |
| Cylinder Head |
EJ257 STI |
| Industry |
Automotive |
| Piston Average Weight |
423 |
| Engine - Web |
EJ Series |
| Make - Web |
Subaru |
| Ringset Included |
Yes |
| Piston Series |
JE Pistons |
| Product Type |
Engine Piston |
| Piston Pin Outside Diameter |
0.905 |
| Top Compression Ring Thickness |
0.0480 |
| Piston Orientation |
Left |
| Piston Volume |
-7.00 |
| Piston Pin Material |
5115 |
| Piston Pin Length |
2.250 |
| Piston Quantity |
1 |
| Title |
JE Pistons - Subaru, EJ Series, 99.52 mm Bore, Piston |
| Piston Pin Wall Thickness |
0.180 |
| Prop 65 (C, R or CR) |
CR |
| Title - Web |
JE Pistons Subaru EJ Series Piston - 99.52 mm Bore - 1.209 in. CH, -7.00 CC |
| Second Compression Ring Thickness |
0.0480 |
| Product Market |
Sport Compact |
| Prop 65 Yes/No |
Yes |
| Wrist Pin Length |
2.250 |
| Wrist Pin Outer Diameter |
0.905 |
| Wrist Pin Wall Thickness |
0.180 |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Ring Set Included |
Yes |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Length |
5.0000 |
| Width |
5.0000 |
| Height |
5.0000 |
| Weight |
1.0000 |
