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Manly Pro Series I-Beam Connecting Rods - Fits Subaru BRZ 2013-2022 - FR-S 2013-2016

Manly Pro Series I-Beam Connecting Rods - Fits Subaru BRZ 2013-2022 - FR-S 2013-2016

SKU: MANL-14431-4
Regular price $1,025.64 USD
Regular price Sale price $1,025.64 USD
Sale Sold out

Whether you're looking for economical yet high-quality H-Beam rods, our stock appearing Sportsmaster rods, or the best of the best Pro Series rods, Manley is your connecting rod solution. Our designs range from Feather Lites, Tour Lites, Lightweights, Standard Weights, and Turbo Tuff in 4340 aircraft quality alloy to our Dirt Series and Dirt Lites made from our exotic 300M material. We offer a massive array of shelf stock part numbers in various lengths for multiple engine applications, and we do custom and private label work as well.

The Manley Pro Series I-Beam rod has become the benchmark for fully machined/billet style high end connecting rods in the performance industry. Lightweight and standard weight designs targeting specific markets combined with our finely tuned manufacturing process renders a truly outstanding product. Whether it be our 300M alloy "DIRT SERIES" rod in a 900 HP DLM engine, 4340 material "lightweight" design in a twin-turbo Chevy LS, or our "TURBO TUFF" design in a 1000+ HP Mitsubishi EVO, Manley has the right connecting rod for you!!!

  • Forged from 4340 aircraft quality vacuum degassed material (P/N 15424 and 15524 are made from 300M alloy with a flywheel horsepower range of 1,400+)
  • Shot peened after machining to MIL-spec and 100% individually Magna-fluxed
  • Specifically designed to handle high horsepower applications when using turbos and/or nitrous
  • Fasteners are 3/8" ARP 2000, except P/Ns 14424, 14428, 15424, and 15524 are supplied with 7/16" ARP 2000 fasteners
  • Flywheel horsepower range for these rods in a 4 cylinder application is 1,000+ and for a 6 cylinder application the range is 1,250+


  • Center to Center: 5.090"
  • Big End Bore: 2.087"
  • Big End Width: .843"
  • Pin Diameter: .866" (22mm)
  • Pin Bore: .8671"
  • Gram Weight: 599
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