Made in USA
SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center
Product Discontinued
MANLEYPART NUMBER: 660-15545-8

SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Large Crankshaft Journal
  • 7/16'' ARP 2000 Cap Screws
    • SB-Chevy 300M Dirt Series I-Beam Connecting Rods
    • 6.125'' (+.425) Center-to-Center
    • 2.100'' Crankshaft Journal Size (Large)
    • 2.225'' Big End Bore
    • 0.9281'' Piston Pin Bore
    • 7/16'' ARP 2000 Cap Screws
    • 650 Grams
    • 8/pkg.

    Forged 300M Steel Connecting Rods

    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 their expertly refined manufacturing process renders a truly outstanding product. Whether it is Manley's Dirt Series in your Late Model or a 4340 lightweight design rod in a twin turbo Chevy LS, Manley has the right connecting rod for you.

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    Features:

    • Forged from 300M aircraft quality material
    • Fully machined to produce the lightest and strongest rod possible
    • Shot peened after machining to MIL spec and 100% individually magnafluxed
    • Available with your choice of 7/16'' ARP 2000 cap screws or 7/16'' ARP Custom Age 625+ cap screws
    • Horsepower range - 900+ HP

       

      Connecting Rod Common Specs:
    • Crankshaft Pin Diameter: 2.000'' (Small Journal); 2.100'' (Large Journal)
    • Crankshaft Pin Width: 0.940''
    • Piston Pin Diameter: 0.9281''
    • Piston Pin Width: 0.950''
    Part TypeConnecting Rod
    Product LineManley Small Block Chevy 300M Dirt Series I-Beam Connecting Rods
    BrandMANLEY
    Package Height4.5
    Package Width9.0
    Package Length10.0
    Weight12.0 PG
    Part CategoryPerformance Parts
    Rod Journal Diameter2.1 in (53.3 mm)
    Big End Bore Diameter2.225 in (56.515 mm)
    Part FitmentSemi Universal
    ToolStroker Combinations
    Connecting Rod Length Center To Center6.125 in (155.575 mm)
    Vendor Part Number15545-8
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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