Description
ARLOWS SUBARU WRX STI 4X STEEL CONNECTING ROD SET 130.5MM EJ20 / EJ205 / EJ25 / EJ257 (H-BEAM)
Light. Extremely strong. Precision engineered.
Your upgrade for maximum engine performance.
Building your Subaru WRX STi EJ20 / EJ205 / EJ25 / EJ257 engine for the racetrack or high performance? Then you need connecting rods you can rely on 100 %. The Arlows 4x Steel Connecting Rod Set 130.5mm EJ20 / EJ205 / EJ25 / EJ257 (H-Beam) made of high-quality 4340 steel (40CrNiMoA) is exactly the part trusted by professionals in motorsport, tuning and custom builds.
The optimized H-beam design delivers maximum stability at minimum weight. Forged, 3D-designed, CNC-machined, hardened and shot-peened ? perfect for high-revving engines. With bronze piston pin bushings, ultra-strong Pro-Series 14.9 bolts and extremely tight tolerances, you?re perfectly equipped for power levels far beyond stock.
Your advantages at a glance:
- Fits Subaru WRX STi 2.0 / 2.5 (EJ20, EJ205, EJ25, EJ257)
- Forged from 4340 steel (40CrNiMoA) and CNC-machined
- H-beam for maximum stability at minimum weight
- 3D-designed & CNC-machined for optimal load distribution
- Hardened to HRC 35-38 + shot-peened
- Bronze piston pin bushings with lubrication hole
- High-strength Pro-Series 14.9 bolts (1490 N/mm² tensile strength)
- Rolled threads ? 30 % stronger flank strength
- Tight tolerances (±0.004 mm) and weight-matched (±1 g)
Technical Specifications
| Parameter | Value |
|---|---|
| Fits | Subaru WRX STi 2.0 / 2.5 (EJ20, EJ205, EJ25, EJ257) |
| Length | 130.5 mm |
| Piston pin bore | 23 mm |
| Crank pin bore | 55 mm |
| Material | 4340 Steel (40CrNiMoA) |
| Tensile strength | > 1250 N/mm² |
| Max. RPM | up to 9,000 rpm |
| Load capacity | approx. 200 HP per rod |
| Bolts | 3/8" |
MATCHING INTERCOOLER FOR YOUR PROJECT? FIND IT HERE!
Discover the intercooler now| Item number: | AR12073 |