- Engines & Components
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- Manley Small Block Chevy 300M Dirt Series I-Beam Connecting Rods
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
- 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''
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PRICE
Small Crankshaft Journal7/16'' ARP 2000 Cap Screws
Manley 15555-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.125" (+.425) Center-to-Center
$344.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$344.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15555-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center
$2,749.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,749.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Small Crankshaft Journal7/16'' ARP Custom Age 625+ Cap Screws
Manley 15552R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 5.850" (+.150) Center-to-Center
$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15552R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 5.850" (+.150) Center-to-Center
$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15554R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.000" (+.300) Center-to-Center
$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Lowest Price Guarantee
Manley 15554R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.000" (+.300) Center-to-Center
$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15555R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.125" (+.425) Center-to-Center
$412.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$412.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15555R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center
$3,292.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$3,292.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15556R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.200" (+.500) Center-to-Center
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15556R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.200" (+.500) Center-to-Center
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Large Crankshaft Journal7/16'' ARP 2000 Cap Screws
Manley 15542-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 5.850" (+.150) Center-to-Center
$259.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$259.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15542-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 5.850" (+.150) Center-to-Center
$2,058.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,058.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15544-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.000" (+.300) Center-to-Center
$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15544-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.000" (+.300) Center-to-Center
$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15545-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.125" (+.425) Center-to-Center
$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Lowest Price Guarantee
Manley 15545-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center
$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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Manley 15546-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.200" (+.500) Center-to-Center
$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
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$276.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15546-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.200" (+.500) Center-to-Center
$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$2,106.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
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Large Crankshaft Journal7/16'' ARP Custom Age 625+ Cap Screws
Manley 15542R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 5.850" (+.150) Center-to-Center
$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$318.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15542R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 5.850" (+.150) Center-to-Center
$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$2,525.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15544R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.000" (+.300) Center-to-Center
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15544R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.000" (+.300) Center-to-Center
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15545R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.125" (+.425) Center-to-Center
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15545R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.125" (+.425) Center-to-Center
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15546R6-1
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rod 6.200" (+.500) Center-to-Center
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$335.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Manley 15546R6-8
Manley SB-Chevy 300M Dirt Series I-Beam Connecting Rods 6.200" (+.500) Center-to-Center
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$2,661.99
Estimated to ship direct from manufacturer on 06/26/23, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee