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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.
JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.
| 2nd Groove Width | 0.048 in |
|---|---|
| Bore Diameter | 100.00 mm |
| Compression Height | 1.162 in |
| Compression Ratio | 0.33681712962963 |
| Connecting Rod Length | 5.181 IN |
| Country Of Origin | USA |
| Cylinder Head | EJ25 SOHC |
| Engine | EJ Series |
| Engine Displacement | 2457 |
| Engine Stroke | 3.110 in |
| Engine Type | ICE |
| Exhaust Angle | 23 |
| Exhaust Depth | .150 |
| Forging Type | FSR |
| Intake Angle | 23 |
| Intake Depth | .150 in |
| Make | Subaru |
| Oil Groove Width | 0.09950 in |
| Oil Ring Thickness | 0.0995 in |
| Piston Average Weight | 388 gr |
| Piston Head Type | Dish |
| Piston Material | 2618 |
| Piston Quantity | 4 |
| Piston Series | JE Pistons |
| Piston To Wall Clearance | -0.004 in |
| Piston Volume | -21.20 cc |
| Product Market | Sport Compact |
| Product Type | Engine Piston Kit |
| Ring Set - Recommended | JG4901-3937 |
| Ring Set Included | Yes |
| Ring Set Part Number | JG4901-3937 |
| Second Compression Ring Thickness | 0.0480 in |
| Top Compression Ring Thickness | 0.0480 in |
| Top Groove Width | 0.04800 in |
| Wrist Pin Length | 2.250 in |
| Wrist Pin Material | 5115 Low Carbon Steel, Case Hardened |
| Wrist Pin Outer Diameter | 0.905 in |
| Wrist Pin Wall Thickness | 0.180 in |
30 Months
WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
California carb status to be completed
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