SKU: 15036-4 | UPC: 807298107134
Manley H-Tuff Beam Connecting Rod Set – Subaru WRX/STI EJ20/EJ25 5.216in
The Manley 15036-4 is the #1 selling H-Tuff beam connecting rod set for Subaru WRX/STI EJ20/EJ25 engines. Precision-machined H-beam design with ARP bolt options delivers exceptional strength, exacting tolerances, and superior performance at an economical price the ultimate connecting rod upgrade for any high-power or built EJ engine.
Key Features
- H-Tuff Beam Design – High-strength H-beam construction for reliable power handling
- Exacting Tolerances – Finished to precise specs for perfect fit, balance, and performance
- Attention to Detail – Final hone size, thread detail, bend, and twist all meticulously controlled
- ARP Bolt Options – Choose ARP 8740 or ARP 2000 bolts to match your build requirements
- Outperforms Competitors – Engineered to deliver superior quality and track-ready performance
| Spec | Detail |
|---|---|
| Part Number | 15036-4 |
| Brand | Manley |
| Center to Center | 5.216 in |
| Engine | Subaru EJ20/EJ25 |
| Material | High-Strength Steel |
| Bolt Options | ARP 8740 or ARP 2000 |
| Country of Origin | United States |
| Warranty | Manley Limited Warranty |
Whats Included
- Set of 4 H-Tuff Beam Connecting Rods
- ARP bolts (8740 or 2000 based on selection)
- Installation instructions
Product Notes
- Designed for Subaru WRX/STI EJ20/EJ25 engines
- Superior quality at economical price compared to Sportsmaster/Pro Series
- Ideal for high-horsepower, boosted, or built engine applications
Installation Notes
- Professional installation and balancing recommended
- Estimated time: 8–12 hours (full engine build context)
- Use proper torque specs and assembly lube during install
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| 1992-2021 | Subaru | Impreza WRX/STI | EJ20/EJ25 | All turbo models |
| Various | Subaru | Legacy, Forester, etc. | EJ20/EJ25 | Verify application |
Why Choose Manley H-Tuff Connecting Rods?
- #1 choice for EJ engine high-performance upgrades
- Built & tested in the United States
- Chosen by Subaru tuners and racers for exceptional quality and value
Frequently Asked Questions
- Q: Does this fit my 2005 Subaru WRX STI EJ25?
A: Yes, direct fit for all EJ20/EJ25 turbo engines. - Q: What bolt option should I choose?
A: ARP 2000 for high-horsepower builds; ARP 8740 for standard performance. - Q: Are these good for stock rebuilds?
A: Yes, but ideal for boosted or high-RPM applications.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official Manley retail box
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