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Manley H-Beam Connecting Rods for Mazda Miata

Miata Connecting Rods

16291959 - 14011
Manley H-Beams are a great rod for 99.9% of all Miata engine builds, and is what we used in our Project Streetfighter 1999 Mazda Miata engine build. The quality is top notch, they come with ARP Bolts, the quality control is industry leading, the brand is proven, and the price is totally reasonable and cheap insurance in our opinion for any engine build, as they'll support any power you'll throw at your engine in the future up till around the 600-700hp mark. We always recommend these rods considering all the above!
Availability: Dependent on suppliers inventory
Pricing: $518.00
Free U.S. Over $150


  • Manley Part Number: 14011-4
  • Includes: Set of 4 H Beam Rods
  • Big End Bore: 1.890"
  • Pin Diameter: .787" (20mm )
  • Weight: 533g
  • Big End Width: .860"
  • Center-to-Center: 5.233"
  • Pin Bore: .7881"
  • 3/8" ARP 2000 bolts

    Manufacturers Description:
    Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H-Beams on the market. Weight matched to +/- 1.5 grams. Perfectly round big and small ends. Bend and twist is tightly controlled.


  • Manufactured from 4340 forgings
  • Heat treated, stress relieved, shot peened and 100% individually magnafluxed
  • Weight matched sets + 1.5 grams
  • Cap fasteners are 3/8" ARP 2000 for the”H” Beam and 3/8" ARP Custom Age 625+ for the H-Plus

  • Details

    Shipping Information

    • Item Requires Shipping
    • 7.0 lbs.
    • W8.0000” x H4.0000” x L12.0000”
    • Free U.S. Over $150

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