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 Kit |
| Description_DES |
Piston Set, 2618, Inv Dome/Dish, 3.937 Bore, 1.209 CD, 0.905 Pin, Set of 4. |
| 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_EXT |
JE, Subaru, EJ Series, 3.937 in. Bore, 8.50:1, Inverted Dome/Dish, 4 Cyl. Piston Kit |
| Description_INV |
JE Pistons, Piston Kit |
| Description_SHO |
Piston Kit |
| 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. |
| Description_TLE |
Subaru EJ257, 100.00 Bore, Dish, Set of 4 |
| Engine |
EJ SERIES |
| Piston Series |
JE Pistons |
| Ringset Included |
Yes |
| Piston Pin Length |
2.250 |
| Piston Pin Material |
5115 |
| Engine Type |
ICE |
| Forging Type |
FSR |
| Piston Pin Wall Thickness |
0.180 |
| Oil Ring Thickness |
0.0995 |
| Make |
SUBARU |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Wrist Pin Outer Diameter |
0.905 |
| Wrist Pin Wall Thickness |
0.180 |
| Category Hierarchy |
Auto>JE Pistons>Piston Kits>Sport Compact |
| Piston Average Weight |
413 |
| Cylinder Head |
EJ257 STI |
| Piston Head Type |
Dish |
| Piston Volume |
-17.40 |
| Compression Height |
1.209 |
| Add-On |
905-042-CT |
| Piston Pin Outside Diameter |
0.905 |
| Product Market |
Sport Compact |
| Top Compression Ring Thickness |
0.0480 |
| Piston Quantity |
4 |
| Title |
JE Pistons - Subaru, EJ Series, 100.00 mm Bore, Piston Kit |
| Piston Material |
2618 |
| Second Compression Ring Thickness |
0.0480 |
| Add-On |
JG4901-3937 |
| Industry |
Automotive |
| Product Type |
Engine Piston Kit |
| Add-On |
905-2250-18-51S |
| Ring Set Included |
Yes |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Wrist Pin Length |
2.250 |
| Engine - Web |
EJ Series |
| Make - Web |
Subaru |
| Bore Diameter |
100.00 |
| Prop 65 (C, R or CR) |
CR |
| Prop 65 Yes/No |
Yes |
| Out of Stock Message |
Call for Availability |
| Title - Web |
JE Pistons Subaru EJ Series Piston Kit - 100.00 mm Bore - 1.209 in. CH, -17.40 CC |
| Length |
5.0000 |
| Width |
9.0000 |
| Height |
5.0000 |
| Weight |
5.0000 |
