If you’re looking to boost your Mitsubishi 4B11T's engine performance, the Manley Forged I-Beam Connecting Rods are an exceptional choice. Designed specifically for the 2008-2012 models, these rods deliver the strength and reliability you need for high horsepower applications.
Manley Performance is renowned for producing top-tier steel connecting rods in the Sport Compact industry. Each Pro Series connecting rod is crafted from premium 4340 vacuum degassed steel, ensuring durability and performance. Manufactured in the Manley facility in Lakewood, NJ, these rods undergo rigorous machining processes to meet the highest standards.
The unique "Turbo Tuff" design strikes a perfect balance between weight and strength, making these rods ideal for applications that demand ultimate horsepower. Each rod is shot peened post-machining and undergoes magnaflux testing to guarantee structural integrity. The bores are precision-engineered to be perfectly round without any taper, ensuring a flawless fit.
The Manley Forged I-Beam Connecting Rods can handle impressive power levels, rated up to 1,000 horsepower with ARP 2000 fasteners, and even more—up to 1,200+ horsepower—when paired with ARP 625+ fasteners.
These connecting rods are specifically designed for the Mitsubishi 4B11T engine found in 2008-2012 models. Their precise fit and robust design make them an excellent upgrade for enthusiasts looking to enhance their vehicle's performance.
Users have praised the Manley Forged I-Beam Connecting Rods for their impressive build quality and performance. Many have noted significant improvements in engine responsiveness and reliability during high-performance driving. Here’s what some customers have to say:
"I installed these rods in my Evo, and the difference was night and day! They feel solid and have held up perfectly under high boost." - Verified Customer
"Manley rods are the best in the business. I trust them for my builds every time." - Performance Enthusiast
Whether you’re building a race engine or simply looking to upgrade your daily driver, the Manley Forged I-Beam Connecting Rods are a smart investment for any Mitsubishi 4B11T owner.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2008-2015 Mitsubishi Evolution X |
Evolution X | 2008-2015 |

Manley Performance, formerly called Manley Speed Equipment, was established in 1966 by Hank Manley shortly after his graduation from Brown University. His interest in the performance and racing traced back to 1960 when, at age 17, he rebuilt a 312 CID Ford V8 engine, installed a camshaft and three two-barrel carbs, and raced a ’56 Thunderbird on New Jersey’s streets. Initially, the company’s product lineup included stainless valves, lifters, camshafts, forged pistons, vanadium valve springs, pushrods, and timing chain kits. By 1998, Manley had outgrown its first Bloomfield, New Jersey facility and bought several acres in Lakewood, New Jersey. It was around this time that the brand’s name formally changed to Manley Performance. Nearly a decade later, the production space doubled in size.
Evolving in the Automotive SpaceLed by GM Michael Tokarchik in 2002, Manley entered the high-performance passenger car market as an OEM supplier of connecting rods for the 2003/2004 Ford SVT Mustang Cobra. Production reached 2500 rods per week without missing a single delivery date. Ford awarded Manley its highest ever supplier rating. Manley’s presence in the OEM market continued from there as a supplier for the Ford GT. After nearly 50 years since its inception, Manley continues to be globally recognized as the leading manufacturer of performance valves, connecting rods, cylinder head components, pushrods, drive and oil systems, and several other engine parts.
What is Manley’s Specialty?Manley Performance specializes in high-performance engine internals that range from stock replacements to full-on race applications. They have been the standard of the industry since their inception; a fact that still remains true now as they have ventured into new markets. Today, Manley Performance continues to re-define itself in a high-performance aftermarket industry that is constantly evolving. The brand has developed a wide range of new products for growing markets that include sport compact, Ford modular, and Chevy LS. Manley also maintains its leadership role with the traditional V8 engine business.
Get Manley Performance at Vivid RacingIf you are in need of a serious upgrade to your engine, then Manley Performance parts should be on your list. Like all of our suggested manufacturers, Manley uses the best materials available to ensure a quality part for your engine. We carry Manley connecting rods, crankshafts, pistons, and valve components. The large lineup of domestic parts includes sport compact vehicles, Ford modular engines, GM’s LS series internals, and HEMI product upgrades for Chrysler.
If you can’t find what you’re looking for or need help choosing the right part for your car, call our sales team at (480) 966-3040. We are here to make your buying experience a breeze.