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Fitment Information:
2002-2014 Subaru WRX
2004-2021 Subaru STI
For Subaru EJ20/EJ25 Turbo Engines Only.
The BoostLine SB5137-905 Connecting Rod Set is engineered for high-power, forced-induction Subaru EJ20 and EJ25 Turbo engines. Forged from premium 4340 steel, these I-beam rods feature BoostLine's patented three-pocket design for increased strength while keeping rotating weight under control.
BoostLine's patented three-pocket I-beam design is engineered to improve big-end stability under tensile loads while reducing rotating weight. BoostLine reports a 60% improvement in bending strength and 20% reduction in tensile stress compared with conventional H-beam designs.
| Specification | Details |
|---|---|
| Part Number | SB5137-905 |
| Rod Type | I-Beam |
| Material | Forged 4340 Steel |
| Length | 130.00mm |
| Wrist Pin Diameter | 23.00mm |
| Journal Size | 52.00mm |
| Big End Bore | 2.1658 in. |
| Big End Width | 21.39mm |
| Weight | Approx. 602g |
| Rod Bolts | 3/8" ARP 2000 |
| Quantity | Set of 4 |
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