Manley Performance
Manley Subaru WRX / STI (EJ205/STi EJ257) Turbo Tuff Pro Series I Beam Connecting Rod Set
SKU: M004 14416-4
Description
Part #: 14416-4
Manley's Turbo Tuff (R) I-Beam Connecting Rods represent the epitome of precision, performance, and quality. Engineered with meticulous attention to detail and a finely tuned manufacturing process, these rods are a testament to our commitment to excellence. Elevate your engine's capabilities and achieve outstanding results with these exceptional connecting rods.
Features:
- Experience the pinnacle of connecting rod technology with our Pro Series rods, designed for ultimate performance.
- Superior Materials: These rods are available in two exceptional materials: forged 4340 or 300M vacuum degassed steel alloys, engineered for unparalleled performance and durability.
- NHRA Legal Certification: Certain SKUs within the Pro Series I-Beam range have earned "NHRA Legal" certification, ensuring compliance with NHRA legality standards for Stock and Super Stock racing categories.
- Versatile Weight Options: Our Pro Series I-Beam connecting rods offer multiple weights tailored to specific markets, including Tour Lites?, Lightweights, Standard Weights, and Heavy Weights, aligning perfectly with your engine's needs and performance objectives.
Center To Center Length: 5.137 in. - Big End Bore: 2.165 in. - Pin Bore: 0.9063 in. (23mm Pin) - 3/8" ARP 2000 Bolts - Approx. HP Rating: 1000+
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Manley Performance |
| Part Number | M004 14416-4 |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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