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 EJ255/EJ257 with EJ20 Head |
| Description_DEF |
Engine Piston Kit |
| Description_EXT |
JE, Subaru, EJ Series, 3.918 in. Bore, 9.50:1, Inverted Dome/Dish, 4 Cyl. Piston Kit |
| Description_DES |
Piston Set, 2618, Inv Dome/Dish, 3.918 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_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_SHO |
Piston Kit |
| Description_INV |
JE Pistons, Piston Kit |
| Description_TLE |
Subaru EJ255/EJ257, 99.52 Bore, Dish, Set of 4 |
| Prop 65 Yes/No |
Yes |
| Cylinder Head |
EJ257 STI |
| Piston Head Type |
Dish |
| Out of Stock Message |
Call for Availability |
| Piston Material |
2618 |
| Title - Web |
JE Pistons Subaru EJ Series Piston Kit - 99.52 mm Bore - 1.209 in. CH, -16.40 CC |
| Add-On |
905-042-CT |
| Prop 65 (C, R or CR) |
CR |
| Second Compression Ring Thickness |
0.0480 |
| Industry |
Automotive |
| Add-On |
JG4901-3917 |
| Add-On |
905-2250-18-51S |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Piston Pin Length |
2.250 |
| Ringset Included |
Yes |
| Engine |
EJ SERIES |
| Make - Web |
Subaru |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Piston Pin Wall Thickness |
0.180 |
| Piston Average Weight |
411 |
| Category Hierarchy |
Auto>JE Pistons>Piston Kits>Sport Compact |
| Engine Type |
ICE |
| Compression Height |
1.209 |
| Oil Ring Thickness |
0.0995 |
| Product Market |
Sport Compact |
| Top Compression Ring Thickness |
0.0480 |
| Forging Type |
FSR |
| Piston Quantity |
4 |
| Bore Diameter |
99.52 |
| Piston Series |
JE Pistons |
| Piston Pin Outside Diameter |
0.905 |
| Title |
JE Pistons - Subaru, EJ Series, 99.52 mm Bore, Piston Kit |
| Make |
SUBARU |
| Piston Pin Material |
5115 |
| Piston Volume |
-16.40 |
| Product Type |
Engine Piston Kit |
| Wrist Pin Length |
2.250 |
| Ring Set Included |
Yes |
| Engine - Web |
EJ Series |
| Wrist Pin Outer Diameter |
0.905 |
| Wrist Pin Wall Thickness |
0.180 |
| Length |
5.0000 |
| Width |
9.0000 |
| Height |
5.0000 |
| Weight |
5.0000 |
