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Subaru JE Pistons EJ257 BILLET FSR - Piston Kit
Price: $1,485.04
Select Size:
- Bore
- Engine Compression Ratio (CR)
- Volume Dome CC
- 99.50mm = 3.917in 8.8:1 -14.1
- 100.0mm = 3.937in 8.8:1 -15.1
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| art # | Bore | Oversize | Stroke (mm) |
Rod (mm) |
C/D (mm) |
Head CCs | C/R With .040 | Dome CCs | Gram | Footnote | Skirt | Included Ring Set# |
| 310927 | 99.5 | STD | 79 | 130.5 | 30.7 | 57 | 8.8:1 | -14.1 | NEW | T,M | FSR | JG4904-3917 |
| 286463 | 100 | 0.5 | 79 | 130.5 | 30.7 | 57 | 8.8:1 | -15.1 | 392 | T,M | FSR | JG4904-3937 |
| Top Compression Ring Thickness | 0.0480 |
|---|---|
| Second Compression Ring Thickness | 0.0480 |
| Oil Ring Thickness | 0.100 |
| Forging Type | FSR |
| Series | JE Pistons |
| Piston Head Type | Inv Dome/Dish |
| Pin Diameter (IN) | 0.866 |
| Make | SUBARU |
| Wrist Pin Style - floating or press fit | Floating |
| Wall Type | CHAMFERED |
| Wall Thickness (IN) | 0.150 |
| Ringset Part Number | JG4904-3917 |
| Ring Brand | ProSeal |
| Ringset Included | No |
| Retainer Thickness | 0.042 |
| Retainer Lock Style | Tru Arc Lock |
| Retainer Lock Part Number | 905-042-CT |
| Retainer Diameter (IN) | 0.905 |
| Piston Pin Inside Diameter | 0.566 |
| Piston Material | 2618 |
| Piston Pin Length (IN) | 2.050 |
| Piston Avg Wt | 392 |
| Pin Offset | Yes |
| Pin Brand | JE Pistons |
| Pin Part Number | 866-2050-15-93C |
| Pin Included | Yes |
| Pin Diameter (mm) | 22.00 |
| Oil Rail Support Included | No |
| Deck Clearance | -0.012 |
| Brand | JE Pistons |