The JE Pistons forged piston kit identified by manufacturer part number 296352 is designed to provide the piston geometry, material, and compression configuration for a specific performance-engine build. Final compatibility depends on the complete engine combination and measured dimensions, not the part title alone.
Key Features
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2002-2012 | Subaru | Impreza | Verify engine code and all build dimensions |
| 2008 | Subaru | Forester | Verify engine code and all build dimensions |
| 2010-2011 | Subaru | Legacy | Verify engine code and all build dimensions |
Specifications
| Brand | JE Pistons |
|---|---|
| Manufacturer Part Number | 296352 |
| Product Type | Forged Piston Kit |
| Fitment Type | Vehicle Specific |
| Condition | New |
| GTIN | 00193564005250 |
| Piston Series | JE Pistons |
| Cylinder Head | EJ257 STI |
| Bore Diameter | 99.75 MM |
| Piston Head Type | Dish |
| Compression Height | 1.130 IN |
| Piston Volume | -21.10 CC |
| Piston Material | 2618 |
| Piston Quantity | 4 |
| Forging Type | FSR |
| Compression Ratio | 8.5:1 |
| Ring Set Included | Yes |
| Top Compression Ring Thickness | 0.0480 IN |
| Second Compression Ring Thickness | 0.0480 IN |
| Oil Ring Thickness | 0.0995 IN |
| Wrist Pin Outer Diameter | 0.905 IN |
| Wrist Pin Length | 2.250 IN |
| Wrist Pin Wall Thickness | 0.180 IN |
What's Included
One new JE Pistons forged piston kit identified by manufacturer part number 296352 in the quantity and configuration stated by the official specifications. Rings, pins, locks, coatings, and installation components are included only when expressly listed for this exact part number.
About JE Pistons
JE Pistons engineers forged racing pistons, piston rings, wrist pins, locks, and related engine components for measured domestic, import, European, and professional motorsport builds.
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Frequently Asked Questions
Will JE Pistons 296352 fit my 2002-2012 Subaru Impreza?
That year, make, and model range is listed. Confirm the exact engine code, bore, stroke, rod length, pin size, cylinder head, compression target, and machine-shop measurements before ordering.
Are piston rings included with this 99.75 MM JE piston kit?
The official JE specification lists Ring Set Included as Yes. Confirm pins, locks, quantity, and any upgraded pin option in the What's Included section before assembly.
What must the machine shop measure before final assembly?
Verify finished bore diameter, piston-to-wall clearance, ring end gaps, deck height, piston-to-valve clearance, pin fit, bearing clearances, and final compression ratio for the intended fuel, boost, and power level.
Installation Instructions
Use the current JE Pistons instructions for part number 296352 and the engine builder's measured assembly specifications. A qualified machine shop must verify bore finish, clearances, ring gaps, pin fit, lock installation, orientation, balance, deck height, valve clearance, compression ratio, lubrication, and break-in before operation.
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