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 EJ25 99-04 SOHC |
| 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_EXT |
JE, Subaru, EJ Series, 3.927 in. Bore, 8.50:1, Inverted Dome/Dish, Left Piston |
| Description_DES |
Piston Single, 2618, Inv Dome/Dish, 3.927 Bore, 1.162 CD, 0.905 Pin, Set of 1. |
| Description_INV |
JE Pistons, Piston |
| Description_TLE |
Subaru EJ25, 99.75 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. |
| Bore Diameter |
99.75 |
| Add-On |
905-042-CT |
| Add-On |
JG4901-3927 |
| Add-On |
905-2250-18-51S |
| Category Hierarchy |
Auto>JE Pistons>Single Replacement Pistons>Sport Compact |
| Compression Height |
1.162 |
| Industry |
Automotive |
| Make |
SUBARU |
| Piston Series |
JE Pistons |
| Cylinder Head |
EJ25 SOHC |
| Piston Head Type |
Dish |
| Piston Pin Material |
5115 |
| Piston Pin Outside Diameter |
0.905 |
| Engine |
EJ SERIES |
| Engine Type |
ICE |
| Product Market |
Sport Compact |
| Piston Pin Length |
2.250 |
| Oil Ring Thickness |
0.0995 |
| Piston Pin Wall Thickness |
0.180 |
| Product Type |
Engine Piston |
| Piston Average Weight |
386 |
| Piston Quantity |
1 |
| Piston Volume |
-20.80 |
| Forging Type |
FSR |
| Piston Material |
2618 |
| Out of Stock Message |
Call for Availability |
| Piston Orientation |
Left |
| Make - Web |
Subaru |
| Engine - Web |
EJ Series |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Title |
JE Pistons - Subaru, EJ Series, 99.75 mm Bore, Piston |
| Prop 65 (C, R or CR) |
CR |
| Prop 65 Yes/No |
Yes |
| Title - Web |
JE Pistons Subaru EJ Series Piston - 99.75 mm Bore - 1.162 in. CH, -20.80 CC |
| Top Compression Ring Thickness |
0.0480 |
| Ringset Included |
Yes |
| Second Compression Ring Thickness |
0.0480 |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Wrist Pin Outer Diameter |
0.905 |
| Wrist Pin Length |
2.250 |
| Ring Set Included |
Yes |
| Wrist Pin Wall Thickness |
0.180 |
| Length |
5.0000 |
| Width |
5.0000 |
| Height |
5.0000 |
| Weight |
1.0000 |
