SKU: 14416-1 | UPC: 807298045535
Manley Subaru WRX / STI (EJ20/EJ25) Turbo Tuff Pro Series I Beam Connecting Rod - SINGLE ROD 2002-2012
Manley Pro Series I-Beam connecting rods upgrade EJ20 and EJ25 turbo engines in 2002-2012 Subaru Impreza WRX and STI models plus Saab 9-2X Aero. Forged from 4340 steel these single rods handle over 1500 HP with high RPM and boost for drag racing or street performance. At 530 grams each they cut reciprocating mass for quicker revs and faster acceleration.
Key Features
- Forged 4340 Steel Alloy: Vacuum degassed EN30B alloy fights fatigue in extreme turbo applications over 1500 HP
- Lightweight 530g Design: Lowers rotating mass for rapid throttle response quicker shifts and improved power delivery
- Exact Specifications: 130.05mm center-to-center 52mm big-end bore 21mm wrist-pin bore matches OEM pistons and hardware
- NHRA Legal Certification: IHRA approved for Stock and Super Stock classes on qualifying Pro Series I-Beam designs
- I-Beam Profile: Balances strength weight reduction and rigidity for EJ turbocharged builds
Product Notes
- Sold as single rod order four for complete EJ20 EJ25 4-cylinder sets
- Pair with ARP 2000 rod bolts for high-horsepower reliability
- Inspect resize rod caps and check bearings during assembly
Installation Notes
- Professional installation recommended.
- Requires complete engine disassembly for rod replacement
- Works with stock aftermarket pistons using 21mm wrist pins and OEM patterns
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?
- Decades engineering rods for NHRA IHRA motorsports
- USA-made with aerospace tolerances for precision fit
- Track-proven in turbo EJ competition engines
Frequently Asked Questions
-
Q: Will this rod fit my 2006 Subaru STI EJ25?
A: Yes replaces OEM rods in 2002-2012 WRX STI with EJ20 EJ25 turbo engines including EJ205 EJ255 EJ257 -
Q: What material and weight is used?
A: Forged 4340 EN30B steel alloy 530 gram rod weight for balanced high-RPM performance -
Q: What warranty is provided?
A: Limited lifetime warranty against manufacturing defects with proper installation
Shipping &. Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic sleeve in 12 x 3 x 1 inch box
- Weight: 1.2 lbs
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