SKU: 14416-4 | UPC: 807298045542
Manley 2002-2012 Subaru WRX / STI (EJ205 / EJ257) Turbo Tuff Pro Series I-Beam Connecting Rod Set
Manley Turbo Tuff Pro Series I-Beam connecting rods upgrade EJ205 and EJ257 engines in 2002-2012 Subaru Impreza WRX and STI models plus 2005-2006 Saab 9-2X Aero. Forged from 4340 steel these rods handle high boost and rpm levels with precise fitment. Each set includes ARP 2000 bolts for reliable assembly in performance builds.
Key Features
- Forged 4340 Steel: Vacuum degassed alloy withstands extreme stress and fatigue in turbocharged applications up to 1500hp.
- Exact Specifications: 144.00mm center-to-center length 52.00mm big end bore 22.94mm small end bore matches OEM dimensions perfectly.
- Lightweight at 552g per rod: Reduces reciprocating mass for faster engine response and acceleration.
- ARP 2000 Bolts: 5.5mm diameter bolts included and torqued for secure operation without additional hardware.
- NHRA Legal: Certified for Stock and Super Stock classes ensuring race compliance where applicable.
Product Notes
- Balance with pistons crankshaft and bearings for best results.
- Apply assembly lube to journals and bolts during installation.
- Inspect for proper clearance in high power setups.
Installation Notes
- Professional installation recommended.
- Rods arrive assembled with ARP bolts ready for use.
- Compatible with stock and aftermarket pistons crank hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2006 | Saab | 9-2X | Aero |
| 2002-2012 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2010-2012 | Subaru | Impreza | WRX Limited |
| 2009-2012 | Subaru | Impreza | WRX Premium |
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2006-2007 | Subaru | Impreza | WRX TR |
Why Choose Manley?
- Trusted by racers for decades in engine internals.
- USA made with rigorous quality testing.
- Engineered for precision fit and power handling.
Frequently Asked Questions
-
Q: Will these rods fit a 2006 Subaru STI EJ257?
A: Yes fits all 2004-2012 Impreza WRX STI EJ257 engines directly with no modifications. -
Q: What material and weight are used?
A: Forged 4340 steel construction each rod weighs 552 grams for balanced performance. -
Q: What warranty is provided?
A: Limited lifetime warranty covers manufacturing defects when installed correctly.
Shipping &. Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box 12in x 6in x 4in
- Weight: 4.85 lbs
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